Home / 318,250,560.52-477,375,973.08-143,169,092.92

Finding the Fourth Proportional to 318,250,560.52, 477,375,973.08 and 143,169,092.92

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Solution

The fourth proportional to 318,250,560.52, 477,375,973.08 and 143,169,092.92 is: 214,753,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,250,560.52 : 477,375,973.08 = 143,169,092.92 : x
  2. Step 2: Convert to fraction form
    318,250,560.52/477,375,973.08 = 143,169,092.92/x
  3. Step 3: Cross multiply
    318,250,560.52x = 477,375,973.08 × 143,169,092.92
  4. Step 4: Simplify right side
    318,250,560.52x = 68,345,485,047,665,928
  5. Step 5: Solve for x
    x = 68,345,485,047,665,928/318,250,560.52
  6. Step 6: Final answer
    x = 214,753,698.90

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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.