Home / 538,715,045.03-807,684,741.66-331,024,337.21

Finding the Fourth Proportional to 538,715,045.03, 807,684,741.66 and 331,024,337.21

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Solution

The fourth proportional to 538,715,045.03, 807,684,741.66 and 331,024,337.21 is: 496,298,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,715,045.03 : 807,684,741.66 = 331,024,337.21 : x
  2. Step 2: Convert to fraction form
    538,715,045.03/807,684,741.66 = 331,024,337.21/x
  3. Step 3: Cross multiply
    538,715,045.03x = 807,684,741.66 × 331,024,337.21
  4. Step 4: Simplify right side
    538,715,045.03x = 267,363,306,285,892,128
  5. Step 5: Solve for x
    x = 267,363,306,285,892,128/538,715,045.03
  6. Step 6: Final answer
    x = 496,298,198.38

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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.