Home / 319,211,037.41-478,428,362.46-225,864,902.97

Finding the Fourth Proportional to 319,211,037.41, 478,428,362.46 and 225,864,902.97

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Solution

The fourth proportional to 319,211,037.41, 478,428,362.46 and 225,864,902.97 is: 338,522,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,211,037.41 : 478,428,362.46 = 225,864,902.97 : x
  2. Step 2: Convert to fraction form
    319,211,037.41/478,428,362.46 = 225,864,902.97/x
  3. Step 3: Cross multiply
    319,211,037.41x = 478,428,362.46 × 225,864,902.97
  4. Step 4: Simplify right side
    319,211,037.41x = 108,060,175,665,123,888
  5. Step 5: Solve for x
    x = 108,060,175,665,123,888/319,211,037.41
  6. Step 6: Final answer
    x = 338,522,679.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.