Home / 284,329,408.50-426,510,066.78-79,841,540.52

Finding the Fourth Proportional to 284,329,408.50, 426,510,066.78 and 79,841,540.52

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Solution

The fourth proportional to 284,329,408.50, 426,510,066.78 and 79,841,540.52 is: 119,766,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,329,408.50 : 426,510,066.78 = 79,841,540.52 : x
  2. Step 2: Convert to fraction form
    284,329,408.50/426,510,066.78 = 79,841,540.52/x
  3. Step 3: Cross multiply
    284,329,408.50x = 426,510,066.78 × 79,841,540.52
  4. Step 4: Simplify right side
    284,329,408.50x = 34,053,220,779,003,272
  5. Step 5: Solve for x
    x = 34,053,220,779,003,272/284,329,408.50
  6. Step 6: Final answer
    x = 119,766,790.78

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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.