Home / 538,064,314.70-807,096,472.05-407,967,557.90

Finding the Fourth Proportional to 538,064,314.70, 807,096,472.05 and 407,967,557.90

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Solution

The fourth proportional to 538,064,314.70, 807,096,472.05 and 407,967,557.90 is: 611,951,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,064,314.70 : 807,096,472.05 = 407,967,557.90 : x
  2. Step 2: Convert to fraction form
    538,064,314.70/807,096,472.05 = 407,967,557.90/x
  3. Step 3: Cross multiply
    538,064,314.70x = 807,096,472.05 × 407,967,557.90
  4. Step 4: Simplify right side
    538,064,314.70x = 329,269,176,691,944,064
  5. Step 5: Solve for x
    x = 329,269,176,691,944,064/538,064,314.70
  6. Step 6: Final answer
    x = 611,951,336.85

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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.