Home / 414,657,318.12-572,223,331.77-226,485,572.86

Finding the Fourth Proportional to 414,657,318.12, 572,223,331.77 and 226,485,572.86

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Solution

The fourth proportional to 414,657,318.12, 572,223,331.77 and 226,485,572.86 is: 312,548,032.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,657,318.12 : 572,223,331.77 = 226,485,572.86 : x
  2. Step 2: Convert to fraction form
    414,657,318.12/572,223,331.77 = 226,485,572.86/x
  3. Step 3: Cross multiply
    414,657,318.12x = 572,223,331.77 × 226,485,572.86
  4. Step 4: Simplify right side
    414,657,318.12x = 129,600,329,098,355,712
  5. Step 5: Solve for x
    x = 129,600,329,098,355,712/414,657,318.12
  6. Step 6: Final answer
    x = 312,548,032.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.