Home / 482,979,372.70-724,469,059.05-347,938,246.30

Finding the Fourth Proportional to 482,979,372.70, 724,469,059.05 and 347,938,246.30

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Solution

The fourth proportional to 482,979,372.70, 724,469,059.05 and 347,938,246.30 is: 521,907,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,979,372.70 : 724,469,059.05 = 347,938,246.30 : x
  2. Step 2: Convert to fraction form
    482,979,372.70/724,469,059.05 = 347,938,246.30/x
  3. Step 3: Cross multiply
    482,979,372.70x = 724,469,059.05 × 347,938,246.30
  4. Step 4: Simplify right side
    482,979,372.70x = 252,070,493,904,468,128
  5. Step 5: Solve for x
    x = 252,070,493,904,468,128/482,979,372.70
  6. Step 6: Final answer
    x = 521,907,369.45

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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.