Home / 498,391,390.80-747,587,086.20-134,885,746.80

Finding the Fourth Proportional to 498,391,390.80, 747,587,086.20 and 134,885,746.80

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Solution

The fourth proportional to 498,391,390.80, 747,587,086.20 and 134,885,746.80 is: 202,328,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,391,390.80 : 747,587,086.20 = 134,885,746.80 : x
  2. Step 2: Convert to fraction form
    498,391,390.80/747,587,086.20 = 134,885,746.80/x
  3. Step 3: Cross multiply
    498,391,390.80x = 747,587,086.20 × 134,885,746.80
  4. Step 4: Simplify right side
    498,391,390.80x = 100,838,842,420,122,992
  5. Step 5: Solve for x
    x = 100,838,842,420,122,992/498,391,390.80
  6. Step 6: Final answer
    x = 202,328,620.20

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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.