| ( | x | − | 15469 125 | ) | × | 10 | − | 1 | − | 1 | = | 1 |
| 方程左边 = | ( | x | − | 15469 125 | ) | × | 10 | − | 2 |
| ( | x | − | 15469 125 | ) | × | 10 | − | 2 | = | 1 |
| 方程左边 = | x | × | 10 | − | 15469 125 | × | 10 | − | 2 |
| = | x | × | 10 | − | 30938 25 | − | 2 |
| = | 10 | x | − | 30988 25 |
| 10 | x | − | 30988 25 | = | 1 |
| 10 | x | = | 1 | + | 30988 25 |
| 10 | x | = | 31013 25 |
| x | = | 31013 25 | ÷ | 10 |
| = | 31013 25 | × | 1 10 |
| x | = | 31013 250 |
| x | = | 124.052 |