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Finding the Fourth Proportional to 639,577,801.70, 959,366,702.55 and 593,661,299.30

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Solution

The fourth proportional to 639,577,801.70, 959,366,702.55 and 593,661,299.30 is: 890,491,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,577,801.70 : 959,366,702.55 = 593,661,299.30 : x
  2. Step 2: Convert to fraction form
    639,577,801.70/959,366,702.55 = 593,661,299.30/x
  3. Step 3: Cross multiply
    639,577,801.70x = 959,366,702.55 × 593,661,299.30
  4. Step 4: Simplify right side
    639,577,801.70x = 569,538,883,140,989,568
  5. Step 5: Solve for x
    x = 569,538,883,140,989,568/639,577,801.70
  6. Step 6: Final answer
    x = 890,491,948.95

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