Home / 498,635,999.40-747,953,999.10-488,432,332.20

Finding the Fourth Proportional to 498,635,999.40, 747,953,999.10 and 488,432,332.20

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Solution

The fourth proportional to 498,635,999.40, 747,953,999.10 and 488,432,332.20 is: 732,648,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,635,999.40 : 747,953,999.10 = 488,432,332.20 : x
  2. Step 2: Convert to fraction form
    498,635,999.40/747,953,999.10 = 488,432,332.20/x
  3. Step 3: Cross multiply
    498,635,999.40x = 747,953,999.10 × 488,432,332.20
  4. Step 4: Simplify right side
    498,635,999.40x = 365,324,916,158,729,728
  5. Step 5: Solve for x
    x = 365,324,916,158,729,728/498,635,999.40
  6. Step 6: Final answer
    x = 732,648,498.30

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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.