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Finding the Fourth Proportional to 465,568,321.16, 698,368,978.92 and 115,816,209.68

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Solution

The fourth proportional to 465,568,321.16, 698,368,978.92 and 115,816,209.68 is: 173,728,418.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,568,321.16 : 698,368,978.92 = 115,816,209.68 : x
  2. Step 2: Convert to fraction form
    465,568,321.16/698,368,978.92 = 115,816,209.68/x
  3. Step 3: Cross multiply
    465,568,321.16x = 698,368,978.92 × 115,816,209.68
  4. Step 4: Simplify right side
    465,568,321.16x = 80,882,448,096,606,224
  5. Step 5: Solve for x
    x = 80,882,448,096,606,224/465,568,321.16
  6. Step 6: Final answer
    x = 173,728,418.41

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