Home / 479,143,679.06-661,224,701.66-270,299,175.86

Finding the Fourth Proportional to 479,143,679.06, 661,224,701.66 and 270,299,175.86

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Solution

The fourth proportional to 479,143,679.06, 661,224,701.66 and 270,299,175.86 is: 373,016,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,143,679.06 : 661,224,701.66 = 270,299,175.86 : x
  2. Step 2: Convert to fraction form
    479,143,679.06/661,224,701.66 = 270,299,175.86/x
  3. Step 3: Cross multiply
    479,143,679.06x = 661,224,701.66 × 270,299,175.86
  4. Step 4: Simplify right side
    479,143,679.06x = 178,728,491,917,273,952
  5. Step 5: Solve for x
    x = 178,728,491,917,273,952/479,143,679.06
  6. Step 6: Final answer
    x = 373,016,486.97

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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.