Home / 482,979,397.20-724,469,095.80-347,938,270.80

Finding the Fourth Proportional to 482,979,397.20, 724,469,095.80 and 347,938,270.80

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Solution

The fourth proportional to 482,979,397.20, 724,469,095.80 and 347,938,270.80 is: 521,907,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,979,397.20 : 724,469,095.80 = 347,938,270.80 : x
  2. Step 2: Convert to fraction form
    482,979,397.20/724,469,095.80 = 347,938,270.80/x
  3. Step 3: Cross multiply
    482,979,397.20x = 724,469,095.80 × 347,938,270.80
  4. Step 4: Simplify right side
    482,979,397.20x = 252,070,524,440,691,520
  5. Step 5: Solve for x
    x = 252,070,524,440,691,520/482,979,397.20
  6. Step 6: Final answer
    x = 521,907,406.20

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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.