Home / 252,437,442.60-378,656,163.90-225,227,663.40

Finding the Fourth Proportional to 252,437,442.60, 378,656,163.90 and 225,227,663.40

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Solution

The fourth proportional to 252,437,442.60, 378,656,163.90 and 225,227,663.40 is: 337,841,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,437,442.60 : 378,656,163.90 = 225,227,663.40 : x
  2. Step 2: Convert to fraction form
    252,437,442.60/378,656,163.90 = 225,227,663.40/x
  3. Step 3: Cross multiply
    252,437,442.60x = 378,656,163.90 × 225,227,663.40
  4. Step 4: Simplify right side
    252,437,442.60x = 85,283,843,027,204,432
  5. Step 5: Solve for x
    x = 85,283,843,027,204,432/252,437,442.60
  6. Step 6: Final answer
    x = 337,841,495.10

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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.