Home / 363,215,013.28-501,247,380-198,213,231.04

Finding the Fourth Proportional to 363,215,013.28, 501,247,380 and 198,213,231.04

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Solution

The fourth proportional to 363,215,013.28, 501,247,380 and 198,213,231.04 is: 273,540,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,215,013.28 : 501,247,380 = 198,213,231.04 : x
  2. Step 2: Convert to fraction form
    363,215,013.28/501,247,380 = 198,213,231.04/x
  3. Step 3: Cross multiply
    363,215,013.28x = 501,247,380 × 198,213,231.04
  4. Step 4: Simplify right side
    363,215,013.28x = 99,353,862,740,134,672
  5. Step 5: Solve for x
    x = 99,353,862,740,134,672/363,215,013.28
  6. Step 6: Final answer
    x = 273,540,077.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.