Home / 538,731,092.21-807,708,628.73-331,040,332.69

Finding the Fourth Proportional to 538,731,092.21, 807,708,628.73 and 331,040,332.69

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Solution

The fourth proportional to 538,731,092.21, 807,708,628.73 and 331,040,332.69 is: 496,322,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,731,092.21 : 807,708,628.73 = 331,040,332.69 : x
  2. Step 2: Convert to fraction form
    538,731,092.21/807,708,628.73 = 331,040,332.69/x
  3. Step 3: Cross multiply
    538,731,092.21x = 807,708,628.73 × 331,040,332.69
  4. Step 4: Simplify right side
    538,731,092.21x = 267,384,133,170,171,200
  5. Step 5: Solve for x
    x = 267,384,133,170,171,200/538,731,092.21
  6. Step 6: Final answer
    x = 496,322,074.29

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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.