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Finding the Fourth Proportional to 267,261,866.61, 400,375,699.05 and 150,321,917.45

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Solution

The fourth proportional to 267,261,866.61, 400,375,699.05 and 150,321,917.45 is: 225,192,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,261,866.61 : 400,375,699.05 = 150,321,917.45 : x
  2. Step 2: Convert to fraction form
    267,261,866.61/400,375,699.05 = 150,321,917.45/x
  3. Step 3: Cross multiply
    267,261,866.61x = 400,375,699.05 × 150,321,917.45
  4. Step 4: Simplify right side
    267,261,866.61x = 60,185,242,781,079,672
  5. Step 5: Solve for x
    x = 60,185,242,781,079,672/267,261,866.61
  6. Step 6: Final answer
    x = 225,192,031.86

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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.