Home / 21,876,086,435.30-30,189,029,913.86-11,851,581,282.43

Finding the Fourth Proportional to 21,876,086,435.30, 30,189,029,913.86 and 11,851,581,282.43

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Solution

The fourth proportional to 21,876,086,435.30, 30,189,029,913.86 and 11,851,581,282.43 is: 16,355,198,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,876,086,435.30 : 30,189,029,913.86 = 11,851,581,282.43 : x
  2. Step 2: Convert to fraction form
    21,876,086,435.30/30,189,029,913.86 = 11,851,581,282.43/x
  3. Step 3: Cross multiply
    21,876,086,435.30x = 30,189,029,913.86 × 11,851,581,282.43
  4. Step 4: Simplify right side
    21,876,086,435.30x = 357,787,741,861,822,529,536
  5. Step 5: Solve for x
    x = 357,787,741,861,822,529,536/21,876,086,435.30
  6. Step 6: Final answer
    x = 16,355,198,765.56

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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.