Home / 342,491,934.10-472,638,872.19-185,859,040.86

Finding the Fourth Proportional to 342,491,934.10, 472,638,872.19 and 185,859,040.86

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Solution

The fourth proportional to 342,491,934.10, 472,638,872.19 and 185,859,040.86 is: 256,485,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,491,934.10 : 472,638,872.19 = 185,859,040.86 : x
  2. Step 2: Convert to fraction form
    342,491,934.10/472,638,872.19 = 185,859,040.86/x
  3. Step 3: Cross multiply
    342,491,934.10x = 472,638,872.19 × 185,859,040.86
  4. Step 4: Simplify right side
    342,491,934.10x = 87,844,207,458,385,536
  5. Step 5: Solve for x
    x = 87,844,207,458,385,536/342,491,934.10
  6. Step 6: Final answer
    x = 256,485,478.09

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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.