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Finding the Fourth Proportional to 1,787,667,446.38, 2,682,103,978.44 and 791,552,481.94

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Solution

The fourth proportional to 1,787,667,446.38, 2,682,103,978.44 and 791,552,481.94 is: 1,187,595,637.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,667,446.38 : 2,682,103,978.44 = 791,552,481.94 : x
  2. Step 2: Convert to fraction form
    1,787,667,446.38/2,682,103,978.44 = 791,552,481.94/x
  3. Step 3: Cross multiply
    1,787,667,446.38x = 2,682,103,978.44 × 791,552,481.94
  4. Step 4: Simplify right side
    1,787,667,446.38x = 2,123,026,060,955,330,560
  5. Step 5: Solve for x
    x = 2,123,026,060,955,330,560/1,787,667,446.38
  6. Step 6: Final answer
    x = 1,187,595,637.69

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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.