Home / 498,676,508.20-748,014,762.30-135,170,864.20

Finding the Fourth Proportional to 498,676,508.20, 748,014,762.30 and 135,170,864.20

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Solution

The fourth proportional to 498,676,508.20, 748,014,762.30 and 135,170,864.20 is: 202,756,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,676,508.20 : 748,014,762.30 = 135,170,864.20 : x
  2. Step 2: Convert to fraction form
    498,676,508.20/748,014,762.30 = 135,170,864.20/x
  3. Step 3: Cross multiply
    498,676,508.20x = 748,014,762.30 × 135,170,864.20
  4. Step 4: Simplify right side
    498,676,508.20x = 101,109,801,854,448,560
  5. Step 5: Solve for x
    x = 101,109,801,854,448,560/498,676,508.20
  6. Step 6: Final answer
    x = 202,756,296.30

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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.