Home / 21,337,508,645.26-31,993,856,639.34-8,073,791,545.53

Finding the Fourth Proportional to 21,337,508,645.26, 31,993,856,639.34 and 8,073,791,545.53

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Solution

The fourth proportional to 21,337,508,645.26, 31,993,856,639.34 and 8,073,791,545.53 is: 12,105,992,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,337,508,645.26 : 31,993,856,639.34 = 8,073,791,545.53 : x
  2. Step 2: Convert to fraction form
    21,337,508,645.26/31,993,856,639.34 = 8,073,791,545.53/x
  3. Step 3: Cross multiply
    21,337,508,645.26x = 31,993,856,639.34 × 8,073,791,545.53
  4. Step 4: Simplify right side
    21,337,508,645.26x = 258,311,729,243,702,722,560
  5. Step 5: Solve for x
    x = 258,311,729,243,702,722,560/21,337,508,645.26
  6. Step 6: Final answer
    x = 12,105,992,950.64

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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.