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Finding the Fourth Proportional to 653,223,760.20, 979,919,621.10 and 325,866,601.80

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Solution

The fourth proportional to 653,223,760.20, 979,919,621.10 and 325,866,601.80 is: 488,841,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,223,760.20 : 979,919,621.10 = 325,866,601.80 : x
  2. Step 2: Convert to fraction form
    653,223,760.20/979,919,621.10 = 325,866,601.80/x
  3. Step 3: Cross multiply
    653,223,760.20x = 979,919,621.10 × 325,866,601.80
  4. Step 4: Simplify right side
    653,223,760.20x = 319,323,076,965,000,576
  5. Step 5: Solve for x
    x = 319,323,076,965,000,576/653,223,760.20
  6. Step 6: Final answer
    x = 488,841,797.28

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