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Finding the Fourth Proportional to 663,797,997.44, 916,017,230.40 and 366,433,856

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Solution

The fourth proportional to 663,797,997.44, 916,017,230.40 and 366,433,856 is: 505,665,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,797,997.44 : 916,017,230.40 = 366,433,856 : x
  2. Step 2: Convert to fraction form
    663,797,997.44/916,017,230.40 = 366,433,856/x
  3. Step 3: Cross multiply
    663,797,997.44x = 916,017,230.40 × 366,433,856
  4. Step 4: Simplify right side
    663,797,997.44x = 335,659,725,897,912,384
  5. Step 5: Solve for x
    x = 335,659,725,897,912,384/663,797,997.44
  6. Step 6: Final answer
    x = 505,665,469.30

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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.