Home / 443,815,836.20-665,725,827.90-156,601,500.20

Finding the Fourth Proportional to 443,815,836.20, 665,725,827.90 and 156,601,500.20

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Solution

The fourth proportional to 443,815,836.20, 665,725,827.90 and 156,601,500.20 is: 234,902,981.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,815,836.20 : 665,725,827.90 = 156,601,500.20 : x
  2. Step 2: Convert to fraction form
    443,815,836.20/665,725,827.90 = 156,601,500.20/x
  3. Step 3: Cross multiply
    443,815,836.20x = 665,725,827.90 × 156,601,500.20
  4. Step 4: Simplify right side
    443,815,836.20x = 104,253,663,371,027,008
  5. Step 5: Solve for x
    x = 104,253,663,371,027,008/443,815,836.20
  6. Step 6: Final answer
    x = 234,902,981.97

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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.