Home / 21,845,737,948.50-30,147,198,306.21-11,821,232,898.90

Finding the Fourth Proportional to 21,845,737,948.50, 30,147,198,306.21 and 11,821,232,898.90

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Solution

The fourth proportional to 21,845,737,948.50, 30,147,198,306.21 and 11,821,232,898.90 is: 16,313,344,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845,737,948.50 : 30,147,198,306.21 = 11,821,232,898.90 : x
  2. Step 2: Convert to fraction form
    21,845,737,948.50/30,147,198,306.21 = 11,821,232,898.90/x
  3. Step 3: Cross multiply
    21,845,737,948.50x = 30,147,198,306.21 × 11,821,232,898.90
  4. Step 4: Simplify right side
    21,845,737,948.50x = 356,377,052,427,008,344,064
  5. Step 5: Solve for x
    x = 356,377,052,427,008,344,064/21,845,737,948.50
  6. Step 6: Final answer
    x = 16,313,344,656.39

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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.