Home / 5,178,040,093.31-7,147,638,545.97-3,394,008,515.70

Finding the Fourth Proportional to 5,178,040,093.31, 7,147,638,545.97 and 3,394,008,515.70

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Solution

The fourth proportional to 5,178,040,093.31, 7,147,638,545.97 and 3,394,008,515.70 is: 4,685,005,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,040,093.31 : 7,147,638,545.97 = 3,394,008,515.70 : x
  2. Step 2: Convert to fraction form
    5,178,040,093.31/7,147,638,545.97 = 3,394,008,515.70/x
  3. Step 3: Cross multiply
    5,178,040,093.31x = 7,147,638,545.97 × 3,394,008,515.70
  4. Step 4: Simplify right side
    5,178,040,093.31x = 24,259,146,092,167,745,536
  5. Step 5: Solve for x
    x = 24,259,146,092,167,745,536/5,178,040,093.31
  6. Step 6: Final answer
    x = 4,685,005,456.70

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1.5x scale

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.