Home / 538,064,312.70-807,096,469.05-407,967,555.90

Finding the Fourth Proportional to 538,064,312.70, 807,096,469.05 and 407,967,555.90

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Solution

The fourth proportional to 538,064,312.70, 807,096,469.05 and 407,967,555.90 is: 611,951,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,064,312.70 : 807,096,469.05 = 407,967,555.90 : x
  2. Step 2: Convert to fraction form
    538,064,312.70/807,096,469.05 = 407,967,555.90/x
  3. Step 3: Cross multiply
    538,064,312.70x = 807,096,469.05 × 407,967,555.90
  4. Step 4: Simplify right side
    538,064,312.70x = 329,269,173,853,848,448
  5. Step 5: Solve for x
    x = 329,269,173,853,848,448/538,064,312.70
  6. Step 6: Final answer
    x = 611,951,333.85

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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.