| p | = | 5617 10000 | × | 381 1000 | ÷ | ( | 5617 10000 | − | 903 5000 | ) |
| 方程两边同时乘以: | ( | 5617 10000 | − | 903 5000 | ) |
| p | ( | 5617 10000 | − | 903 5000 | ) | = | 5617 10000 | × | 381 1000 |
| p | × | 5617 10000 | − | p | × | 903 5000 | = | 5617 10000 | × | 381 1000 |
| p | × | 5617 10000 | − | p | × | 903 5000 | = | 2140077 10000000 |
3811 10000 | p | = | 2140077 10000000 |
| p | = | 2140077 10000000 | ÷ | 3811 10000 |
| = | 2140077 10000000 | × | 10000 3811 |
| = | 2140077 1000 | × | 1 3811 |
| p | = | 2140077 3811000 |
| p | = | 0.561553 |