| ( | 178480 | + | x | ) | ÷ | 12 | × | 15 | = | 23797333 100 | − | x |
| 方程左边 = | ( | 178480 | + | x | ) | × | 5 4 |
| ( | 178480 | + | x | ) | × | 5 4 | = | 23797333 100 | − | x |
| 方程左边 = | 178480 | × | 5 4 | + | x | × | 5 4 |
| = | 223100 | + | x | × | 5 4 |
| 223100 | + | 5 4 | x | = | 23797333 100 | − | x |
5 4 | x | + | x | = | 23797333 100 | − | 223100 |
9 4 | x | = | 23797333 100 | − | 223100 |
9 4 | x | = | 1487333 100 |
| x | = | 1487333 100 | ÷ | 9 4 |
| = | 1487333 100 | × | 4 9 |
| = | 1487333 25 | × | 1 9 |
| x | = | 1487333 225 |
| x | = | 6610.368889 |