Home / 801,657,791.40-1,202,486,687.10-724,173,693.60

Finding the Fourth Proportional to 801,657,791.40, 1,202,486,687.10 and 724,173,693.60

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Solution

The fourth proportional to 801,657,791.40, 1,202,486,687.10 and 724,173,693.60 is: 1,086,260,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,657,791.40 : 1,202,486,687.10 = 724,173,693.60 : x
  2. Step 2: Convert to fraction form
    801,657,791.40/1,202,486,687.10 = 724,173,693.60/x
  3. Step 3: Cross multiply
    801,657,791.40x = 1,202,486,687.10 × 724,173,693.60
  4. Step 4: Simplify right side
    801,657,791.40x = 870,809,225,702,034,432
  5. Step 5: Solve for x
    x = 870,809,225,702,034,432/801,657,791.40
  6. Step 6: Final answer
    x = 1,086,260,540.40

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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.