Home / 284,288,623,016.22-426,428,629,891.11-69,159,191,085.90

Finding the Fourth Proportional to 284,288,623,016.22, 426,428,629,891.11 and 69,159,191,085.90

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Solution

The fourth proportional to 284,288,623,016.22, 426,428,629,891.11 and 69,159,191,085.90 is: 103,737,739,436.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,288,623,016.22 : 426,428,629,891.11 = 69,159,191,085.90 : x
  2. Step 2: Convert to fraction form
    284,288,623,016.22/426,428,629,891.11 = 69,159,191,085.90/x
  3. Step 3: Cross multiply
    284,288,623,016.22x = 426,428,629,891.11 × 69,159,191,085.90
  4. Step 4: Simplify right side
    284,288,623,016.22x = 29,491,459,099,137,801,191,424
  5. Step 5: Solve for x
    x = 29,491,459,099,137,801,191,424/284,288,623,016.22
  6. Step 6: Final answer
    x = 103,737,739,436.22

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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.