Home / 530,458,721.78-726,731,041.90-510,577,253.36

Finding the Fourth Proportional to 530,458,721.78, 726,731,041.90 and 510,577,253.36

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Solution

The fourth proportional to 530,458,721.78, 726,731,041.90 and 510,577,253.36 is: 699,493,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,458,721.78 : 726,731,041.90 = 510,577,253.36 : x
  2. Step 2: Convert to fraction form
    530,458,721.78/726,731,041.90 = 510,577,253.36/x
  3. Step 3: Cross multiply
    530,458,721.78x = 726,731,041.90 × 510,577,253.36
  4. Step 4: Simplify right side
    530,458,721.78x = 371,052,339,304,753,088
  5. Step 5: Solve for x
    x = 371,052,339,304,753,088/530,458,721.78
  6. Step 6: Final answer
    x = 699,493,332.98

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