| 392000 | ÷ | 9800 | + | 1019 1000 | × | 1019 1000 | ÷ | 2 | × | 49 5 | = | x | ÷ | 9800 | + | 2293 1000 | × | 2293 1000 | ÷ | 2 | × | 49 5 |
| 方程左边 = | 40 | + | 50879689 10000000 |
| = | 450879689 10000000 |
450879689 10000000 | = | x | ÷ | 9800 | + | 2293 1000 | × | 2293 1000 | ÷ | 2 | × | 49 5 |
| 方程右边 = | x | × | 1 9800 | + | 257634601 10000000 |
450879689 10000000 | = | 1 9800 | x | + | 257634601 10000000 |
| - | 1 9800 | x | = | 257634601 10000000 | − | 450879689 10000000 |
| - | 1 9800 | x | = | - | 6038909 312500 |
6038909 312500 | = | 1 9800 | x |
1 9800 | x | = | 6038909 312500 |
| x | = | 6038909 312500 | ÷ | 1 9800 |
| = | 6038909 312500 | × | 9800 |
| = | 6038909 3125 | × | 98 |
| x | = | 591813082 3125 |
| x | = | 189380.18624 |