Home / 482,979,333.20-724,468,999.80-347,938,206.80

Finding the Fourth Proportional to 482,979,333.20, 724,468,999.80 and 347,938,206.80

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Solution

The fourth proportional to 482,979,333.20, 724,468,999.80 and 347,938,206.80 is: 521,907,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,979,333.20 : 724,468,999.80 = 347,938,206.80 : x
  2. Step 2: Convert to fraction form
    482,979,333.20/724,468,999.80 = 347,938,206.80/x
  3. Step 3: Cross multiply
    482,979,333.20x = 724,468,999.80 × 347,938,206.80
  4. Step 4: Simplify right side
    482,979,333.20x = 252,070,444,672,601,536
  5. Step 5: Solve for x
    x = 252,070,444,672,601,536/482,979,333.20
  6. Step 6: Final answer
    x = 521,907,310.20

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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.