Home / 431,569,358.10-646,928,884.35-213,253,395.30

Finding the Fourth Proportional to 431,569,358.10, 646,928,884.35 and 213,253,395.30

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Solution

The fourth proportional to 431,569,358.10, 646,928,884.35 and 213,253,395.30 is: 319,670,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,569,358.10 : 646,928,884.35 = 213,253,395.30 : x
  2. Step 2: Convert to fraction form
    431,569,358.10/646,928,884.35 = 213,253,395.30/x
  3. Step 3: Cross multiply
    431,569,358.10x = 646,928,884.35 × 213,253,395.30
  4. Step 4: Simplify right side
    431,569,358.10x = 137,959,781,105,278,544
  5. Step 5: Solve for x
    x = 137,959,781,105,278,544/431,569,358.10
  6. Step 6: Final answer
    x = 319,670,010.20

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