Home / 21,019,356,525.43-29,006,788,850.49-11,374,086,543.85

Finding the Fourth Proportional to 21,019,356,525.43, 29,006,788,850.49 and 11,374,086,543.85

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Solution

The fourth proportional to 21,019,356,525.43, 29,006,788,850.49 and 11,374,086,543.85 is: 15,696,281,013.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,019,356,525.43 : 29,006,788,850.49 = 11,374,086,543.85 : x
  2. Step 2: Convert to fraction form
    21,019,356,525.43/29,006,788,850.49 = 11,374,086,543.85/x
  3. Step 3: Cross multiply
    21,019,356,525.43x = 29,006,788,850.49 × 11,374,086,543.85
  4. Step 4: Simplify right side
    21,019,356,525.43x = 329,925,726,744,656,543,744
  5. Step 5: Solve for x
    x = 329,925,726,744,656,543,744/21,019,356,525.43
  6. Step 6: Final answer
    x = 15,696,281,013.43

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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.