Home / 479,143,694.76-661,224,723.24-270,299,191.56

Finding the Fourth Proportional to 479,143,694.76, 661,224,723.24 and 270,299,191.56

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Solution

The fourth proportional to 479,143,694.76, 661,224,723.24 and 270,299,191.56 is: 373,016,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,143,694.76 : 661,224,723.24 = 270,299,191.56 : x
  2. Step 2: Convert to fraction form
    479,143,694.76/661,224,723.24 = 270,299,191.56/x
  3. Step 3: Cross multiply
    479,143,694.76x = 661,224,723.24 × 270,299,191.56
  4. Step 4: Simplify right side
    479,143,694.76x = 178,728,508,131,256,736
  5. Step 5: Solve for x
    x = 178,728,508,131,256,736/479,143,694.76
  6. Step 6: Final answer
    x = 373,016,508.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.