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Finding the Fourth Proportional to 709,287,731.12, 978,807,798.12 and 396,027,277.04

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Solution

The fourth proportional to 709,287,731.12, 978,807,798.12 and 396,027,277.04 is: 546,512,466.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,287,731.12 : 978,807,798.12 = 396,027,277.04 : x
  2. Step 2: Convert to fraction form
    709,287,731.12/978,807,798.12 = 396,027,277.04/x
  3. Step 3: Cross multiply
    709,287,731.12x = 978,807,798.12 × 396,027,277.04
  4. Step 4: Simplify right side
    709,287,731.12x = 387,634,587,034,981,632
  5. Step 5: Solve for x
    x = 387,634,587,034,981,632/709,287,731.12
  6. Step 6: Final answer
    x = 546,512,466.00

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Why These Related Problems?

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