Home / 440,320,736.34-660,481,221.15-129,428,365.14

Finding the Fourth Proportional to 440,320,736.34, 660,481,221.15 and 129,428,365.14

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Solution

The fourth proportional to 440,320,736.34, 660,481,221.15 and 129,428,365.14 is: 194,142,582.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,320,736.34 : 660,481,221.15 = 129,428,365.14 : x
  2. Step 2: Convert to fraction form
    440,320,736.34/660,481,221.15 = 129,428,365.14/x
  3. Step 3: Cross multiply
    440,320,736.34x = 660,481,221.15 × 129,428,365.14
  4. Step 4: Simplify right side
    440,320,736.34x = 85,485,004,659,115,296
  5. Step 5: Solve for x
    x = 85,485,004,659,115,296/440,320,736.34
  6. Step 6: Final answer
    x = 194,142,582.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.