Home / 327,399,228.30-491,098,842.45-197,940,200.70

Finding the Fourth Proportional to 327,399,228.30, 491,098,842.45 and 197,940,200.70

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Solution

The fourth proportional to 327,399,228.30, 491,098,842.45 and 197,940,200.70 is: 296,910,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,399,228.30 : 491,098,842.45 = 197,940,200.70 : x
  2. Step 2: Convert to fraction form
    327,399,228.30/491,098,842.45 = 197,940,200.70/x
  3. Step 3: Cross multiply
    327,399,228.30x = 491,098,842.45 × 197,940,200.70
  4. Step 4: Simplify right side
    327,399,228.30x = 97,208,203,438,090,672
  5. Step 5: Solve for x
    x = 97,208,203,438,090,672/327,399,228.30
  6. Step 6: Final answer
    x = 296,910,301.05

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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.