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Finding the Fourth Proportional to 510,693,585.12, 766,147,978.08 and 165,620,305.17

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Solution

The fourth proportional to 510,693,585.12, 766,147,978.08 and 165,620,305.17 is: 248,465,353.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,693,585.12 : 766,147,978.08 = 165,620,305.17 : x
  2. Step 2: Convert to fraction form
    510,693,585.12/766,147,978.08 = 165,620,305.17/x
  3. Step 3: Cross multiply
    510,693,585.12x = 766,147,978.08 × 165,620,305.17
  4. Step 4: Simplify right side
    510,693,585.12x = 126,889,661,934,988,064
  5. Step 5: Solve for x
    x = 126,889,661,934,988,064/510,693,585.12
  6. Step 6: Final answer
    x = 248,465,353.07

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Why These Related Problems?

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