Home / 479,143,695.76-661,224,724.62-270,299,192.56

Finding the Fourth Proportional to 479,143,695.76, 661,224,724.62 and 270,299,192.56

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Solution

The fourth proportional to 479,143,695.76, 661,224,724.62 and 270,299,192.56 is: 373,016,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,143,695.76 : 661,224,724.62 = 270,299,192.56 : x
  2. Step 2: Convert to fraction form
    479,143,695.76/661,224,724.62 = 270,299,192.56/x
  3. Step 3: Cross multiply
    479,143,695.76x = 661,224,724.62 × 270,299,192.56
  4. Step 4: Simplify right side
    479,143,695.76x = 178,728,509,165,494,368
  5. Step 5: Solve for x
    x = 178,728,509,165,494,368/479,143,695.76
  6. Step 6: Final answer
    x = 373,016,509.97

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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.