Home / 530,458,711.53-726,731,027.93-510,577,243.17

Finding the Fourth Proportional to 530,458,711.53, 726,731,027.93 and 510,577,243.17

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Solution

The fourth proportional to 530,458,711.53, 726,731,027.93 and 510,577,243.17 is: 699,493,319.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,458,711.53 : 726,731,027.93 = 510,577,243.17 : x
  2. Step 2: Convert to fraction form
    530,458,711.53/726,731,027.93 = 510,577,243.17/x
  3. Step 3: Cross multiply
    530,458,711.53x = 726,731,027.93 × 510,577,243.17
  4. Step 4: Simplify right side
    530,458,711.53x = 371,052,324,764,046,784
  5. Step 5: Solve for x
    x = 371,052,324,764,046,784/530,458,711.53
  6. Step 6: Final answer
    x = 699,493,319.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.