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Finding the Fourth Proportional to 418,640,500.26, 627,978,064.68 and 123,535,622.88

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Solution

The fourth proportional to 418,640,500.26, 627,978,064.68 and 123,535,622.88 is: 185,308,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,640,500.26 : 627,978,064.68 = 123,535,622.88 : x
  2. Step 2: Convert to fraction form
    418,640,500.26/627,978,064.68 = 123,535,622.88/x
  3. Step 3: Cross multiply
    418,640,500.26x = 627,978,064.68 × 123,535,622.88
  4. Step 4: Simplify right side
    418,640,500.26x = 77,577,661,375,220,720
  5. Step 5: Solve for x
    x = 77,577,661,375,220,720/418,640,500.26
  6. Step 6: Final answer
    x = 185,308,543.55

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