Home / 443,474,092.11-665,203,819.73-132,582,435.87

Finding the Fourth Proportional to 443,474,092.11, 665,203,819.73 and 132,582,435.87

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Solution

The fourth proportional to 443,474,092.11, 665,203,819.73 and 132,582,435.87 is: 198,871,465.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,474,092.11 : 665,203,819.73 = 132,582,435.87 : x
  2. Step 2: Convert to fraction form
    443,474,092.11/665,203,819.73 = 132,582,435.87/x
  3. Step 3: Cross multiply
    443,474,092.11x = 665,203,819.73 × 132,582,435.87
  4. Step 4: Simplify right side
    443,474,092.11x = 88,194,342,769,168,864
  5. Step 5: Solve for x
    x = 88,194,342,769,168,864/443,474,092.11
  6. Step 6: Final answer
    x = 198,871,465.86

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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.