Home / 531,468,446.40-797,202,669.60-148,515,998.40

Finding the Fourth Proportional to 531,468,446.40, 797,202,669.60 and 148,515,998.40

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Solution

The fourth proportional to 531,468,446.40, 797,202,669.60 and 148,515,998.40 is: 222,773,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,468,446.40 : 797,202,669.60 = 148,515,998.40 : x
  2. Step 2: Convert to fraction form
    531,468,446.40/797,202,669.60 = 148,515,998.40/x
  3. Step 3: Cross multiply
    531,468,446.40x = 797,202,669.60 × 148,515,998.40
  4. Step 4: Simplify right side
    531,468,446.40x = 118,397,350,402,789,344
  5. Step 5: Solve for x
    x = 118,397,350,402,789,344/531,468,446.40
  6. Step 6: Final answer
    x = 222,773,997.60

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Double scale
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Similar ratio
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1.5x scale

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.