Home / 538,731,095.21-807,708,633.23-331,040,335.70

Finding the Fourth Proportional to 538,731,095.21, 807,708,633.23 and 331,040,335.70

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Solution

The fourth proportional to 538,731,095.21, 807,708,633.23 and 331,040,335.70 is: 496,322,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,731,095.21 : 807,708,633.23 = 331,040,335.70 : x
  2. Step 2: Convert to fraction form
    538,731,095.21/807,708,633.23 = 331,040,335.70/x
  3. Step 3: Cross multiply
    538,731,095.21x = 807,708,633.23 × 331,040,335.70
  4. Step 4: Simplify right side
    538,731,095.21x = 267,384,137,086,553,632
  5. Step 5: Solve for x
    x = 267,384,137,086,553,632/538,731,095.21
  6. Step 6: Final answer
    x = 496,322,078.80

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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.