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Finding the Fourth Proportional to 652,764,023.60, 978,295,729.80 and 264,268,842.80

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Solution

The fourth proportional to 652,764,023.60, 978,295,729.80 and 264,268,842.80 is: 396,059,021.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,764,023.60 : 978,295,729.80 = 264,268,842.80 : x
  2. Step 2: Convert to fraction form
    652,764,023.60/978,295,729.80 = 264,268,842.80/x
  3. Step 3: Cross multiply
    652,764,023.60x = 978,295,729.80 × 264,268,842.80
  4. Step 4: Simplify right side
    652,764,023.60x = 258,533,080,430,427,488
  5. Step 5: Solve for x
    x = 258,533,080,430,427,488/652,764,023.60
  6. Step 6: Final answer
    x = 396,059,021.46

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