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Finding the Fourth Proportional to 229,331,978.90, 321,971,763.10 and 229,331,978.90

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Solution

The fourth proportional to 229,331,978.90, 321,971,763.10 and 229,331,978.90 is: 321,971,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,331,978.90 : 321,971,763.10 = 229,331,978.90 : x
  2. Step 2: Convert to fraction form
    229,331,978.90/321,971,763.10 = 229,331,978.90/x
  3. Step 3: Cross multiply
    229,331,978.90x = 321,971,763.10 × 229,331,978.90
  4. Step 4: Simplify right side
    229,331,978.90x = 73,838,421,581,645,008
  5. Step 5: Solve for x
    x = 73,838,421,581,645,008/229,331,978.90
  6. Step 6: Final answer
    x = 321,971,763.10

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Why These Related Problems?

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