Home / 538,715,060.78-807,684,765.29-331,024,352.97

Finding the Fourth Proportional to 538,715,060.78, 807,684,765.29 and 331,024,352.97

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Solution

The fourth proportional to 538,715,060.78, 807,684,765.29 and 331,024,352.97 is: 496,298,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,715,060.78 : 807,684,765.29 = 331,024,352.97 : x
  2. Step 2: Convert to fraction form
    538,715,060.78/807,684,765.29 = 331,024,352.97/x
  3. Step 3: Cross multiply
    538,715,060.78x = 807,684,765.29 × 331,024,352.97
  4. Step 4: Simplify right side
    538,715,060.78x = 267,363,326,832,193,440
  5. Step 5: Solve for x
    x = 267,363,326,832,193,440/538,715,060.78
  6. Step 6: Final answer
    x = 496,298,222.01

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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.