To determine which fraction has the greatest value, we can compare the fractions by finding their decimal equivalents.
- 1/150 = 0.006666...
- 1/200 = 0.005
- 1/500 = 0.002
- 1/1000 = 0.001
As you can see, 1/150 has the greatest decimal value among the given fractions. Therefore, 1/150 is the fraction with the greatest value.