Home / 498,622,214.66-747,970,916.52-148,840,651.76

Finding the Fourth Proportional to 498,622,214.66, 747,970,916.52 and 148,840,651.76

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Solution

The fourth proportional to 498,622,214.66, 747,970,916.52 and 148,840,651.76 is: 223,272,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,622,214.66 : 747,970,916.52 = 148,840,651.76 : x
  2. Step 2: Convert to fraction form
    498,622,214.66/747,970,916.52 = 148,840,651.76/x
  3. Step 3: Cross multiply
    498,622,214.66x = 747,970,916.52 × 148,840,651.76
  4. Step 4: Simplify right side
    498,622,214.66x = 111,328,478,712,361,344
  5. Step 5: Solve for x
    x = 111,328,478,712,361,344/498,622,214.66
  6. Step 6: Final answer
    x = 223,272,199.75

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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.