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Finding the Fourth Proportional to 443,797,998.30, 665,696,997.45 and 185,198,807.70

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Solution

The fourth proportional to 443,797,998.30, 665,696,997.45 and 185,198,807.70 is: 277,798,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,797,998.30 : 665,696,997.45 = 185,198,807.70 : x
  2. Step 2: Convert to fraction form
    443,797,998.30/665,696,997.45 = 185,198,807.70/x
  3. Step 3: Cross multiply
    443,797,998.30x = 665,696,997.45 × 185,198,807.70
  4. Step 4: Simplify right side
    443,797,998.30x = 123,286,290,217,209,936
  5. Step 5: Solve for x
    x = 123,286,290,217,209,936/443,797,998.30
  6. Step 6: Final answer
    x = 277,798,211.55

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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.