Home / 456,192,001.20-684,288,001.80-442,755,073.20

Finding the Fourth Proportional to 456,192,001.20, 684,288,001.80 and 442,755,073.20

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Solution

The fourth proportional to 456,192,001.20, 684,288,001.80 and 442,755,073.20 is: 664,132,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,192,001.20 : 684,288,001.80 = 442,755,073.20 : x
  2. Step 2: Convert to fraction form
    456,192,001.20/684,288,001.80 = 442,755,073.20/x
  3. Step 3: Cross multiply
    456,192,001.20x = 684,288,001.80 × 442,755,073.20
  4. Step 4: Simplify right side
    456,192,001.20x = 302,971,984,326,840,704
  5. Step 5: Solve for x
    x = 302,971,984,326,840,704/456,192,001.20
  6. Step 6: Final answer
    x = 664,132,609.80

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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.