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Finding the Fourth Proportional to 414,661,800.63, 621,995,026.11 and 138,312,256.17

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Solution

The fourth proportional to 414,661,800.63, 621,995,026.11 and 138,312,256.17 is: 207,469,159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,661,800.63 : 621,995,026.11 = 138,312,256.17 : x
  2. Step 2: Convert to fraction form
    414,661,800.63/621,995,026.11 = 138,312,256.17/x
  3. Step 3: Cross multiply
    414,661,800.63x = 621,995,026.11 × 138,312,256.17
  4. Step 4: Simplify right side
    414,661,800.63x = 86,029,535,390,012,976
  5. Step 5: Solve for x
    x = 86,029,535,390,012,976/414,661,800.63
  6. Step 6: Final answer
    x = 207,469,159.83

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Why These Related Problems?

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