Home / 686,502,133.90-1,029,753,200.85-492,002,601.10

Finding the Fourth Proportional to 686,502,133.90, 1,029,753,200.85 and 492,002,601.10

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Solution

The fourth proportional to 686,502,133.90, 1,029,753,200.85 and 492,002,601.10 is: 738,003,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,502,133.90 : 1,029,753,200.85 = 492,002,601.10 : x
  2. Step 2: Convert to fraction form
    686,502,133.90/1,029,753,200.85 = 492,002,601.10/x
  3. Step 3: Cross multiply
    686,502,133.90x = 1,029,753,200.85 × 492,002,601.10
  4. Step 4: Simplify right side
    686,502,133.90x = 506,641,253,309,250,752
  5. Step 5: Solve for x
    x = 506,641,253,309,250,752/686,502,133.90
  6. Step 6: Final answer
    x = 738,003,901.65

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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.