Home / 381,986,550.77-572,979,110.94-119,691,181.73

Finding the Fourth Proportional to 381,986,550.77, 572,979,110.94 and 119,691,181.73

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Solution

The fourth proportional to 381,986,550.77, 572,979,110.94 and 119,691,181.73 is: 179,536,548.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,986,550.77 : 572,979,110.94 = 119,691,181.73 : x
  2. Step 2: Convert to fraction form
    381,986,550.77/572,979,110.94 = 119,691,181.73/x
  3. Step 3: Cross multiply
    381,986,550.77x = 572,979,110.94 × 119,691,181.73
  4. Step 4: Simplify right side
    381,986,550.77x = 68,580,546,892,148,480
  5. Step 5: Solve for x
    x = 68,580,546,892,148,480/381,986,550.77
  6. Step 6: Final answer
    x = 179,536,548.49

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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.