Home / 488,957,472-674,857,163.52-280,253,498.40

Finding the Fourth Proportional to 488,957,472, 674,857,163.52 and 280,253,498.40

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Solution

The fourth proportional to 488,957,472, 674,857,163.52 and 280,253,498.40 is: 386,804,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,957,472 : 674,857,163.52 = 280,253,498.40 : x
  2. Step 2: Convert to fraction form
    488,957,472/674,857,163.52 = 280,253,498.40/x
  3. Step 3: Cross multiply
    488,957,472x = 674,857,163.52 × 280,253,498.40
  4. Step 4: Simplify right side
    488,957,472x = 189,131,080,996,780,832
  5. Step 5: Solve for x
    x = 189,131,080,996,780,832/488,957,472
  6. Step 6: Final answer
    x = 386,804,766.93

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