| 15684468 | = | 317676421 20 | X | + | 184721 5 |
| - | 317676421 20 | X | = | 184721 5 | − | 15684468 |
| - | 317676421 20 | X | = | - | 78237619 5 |
78237619 5 | = | 317676421 20 | X |
317676421 20 | X | = | 78237619 5 |
| X | = | 78237619 5 | ÷ | 317676421 20 |
| = | 78237619 5 | × | 20 317676421 |
| = | 78237619 | × | 4 317676421 |
| X | = | 312950476 317676421 |
| X | = | 0.985123 |
| 18622299 | = | 317676421 20 | X | + | 184721 5 |
| - | 317676421 20 | X | = | 184721 5 | − | 18622299 |
| - | 317676421 20 | X | = | - | 92926774 5 |
92926774 5 | = | 317676421 20 | X |
317676421 20 | X | = | 92926774 5 |
| X | = | 92926774 5 | ÷ | 317676421 20 |
| = | 92926774 5 | × | 20 317676421 |
| = | 92926774 | × | 4 317676421 |
| X | = | 371707096 317676421 |
| X | = | 1.170081 |
| 12400247 | = | 317676421 20 | X | + | 184721 5 |
| - | 317676421 20 | X | = | 184721 5 | − | 12400247 |
| - | 317676421 20 | X | = | - | 61816514 5 |
61816514 5 | = | 317676421 20 | X |
317676421 20 | X | = | 61816514 5 |
| X | = | 61816514 5 | ÷ | 317676421 20 |
| = | 61816514 5 | × | 20 317676421 |
| = | 61816514 | × | 4 317676421 |
| X | = | 247266056 317676421 |
| X | = | 0.778358 |