| X | = | 1700 | × | 1 10 | ÷ | ( | 17 5 | × | 1 1000000 | × | 50000 | × | 16 | ) |
| 方程两边同时乘以: | ( | 17 5 | × | 1 1000000 | × | 50000 | × | 16 | ) |
| X | ( | 17 5 | × | 1 1000000 | × | 50000 | × | 16 | ) | = | 1700 | × | 1 10 |
| X | × | 17 5 | × | 1 1000000 | × | 50000 | × | 16 | = | 1700 | × | 1 10 |
| X | × | 68 25 | = | 170 |
| X | = | 170 | ÷ | 68 25 |
| = | 170 | × | 25 68 |
| = | 5 | × | 25 2 |
| X | = | 125 2 |
| X | = | 62.5 |