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Finding the Fourth Proportional to 543,978,159.60, 750,597,951.12 and 305,791,616.64

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Solution

The fourth proportional to 543,978,159.60, 750,597,951.12 and 305,791,616.64 is: 421,940,765.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,978,159.60 : 750,597,951.12 = 305,791,616.64 : x
  2. Step 2: Convert to fraction form
    543,978,159.60/750,597,951.12 = 305,791,616.64/x
  3. Step 3: Cross multiply
    543,978,159.60x = 750,597,951.12 × 305,791,616.64
  4. Step 4: Simplify right side
    543,978,159.60x = 229,526,560,919,656,480
  5. Step 5: Solve for x
    x = 229,526,560,919,656,480/543,978,159.60
  6. Step 6: Final answer
    x = 421,940,765.21

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