Home / 805,083,201.90-1,207,425,348.42-344,969,194.86

Finding the Fourth Proportional to 805,083,201.90, 1,207,425,348.42 and 344,969,194.86

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Solution

The fourth proportional to 805,083,201.90, 1,207,425,348.42 and 344,969,194.86 is: 517,368,328.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,083,201.90 : 1,207,425,348.42 = 344,969,194.86 : x
  2. Step 2: Convert to fraction form
    805,083,201.90/1,207,425,348.42 = 344,969,194.86/x
  3. Step 3: Cross multiply
    805,083,201.90x = 1,207,425,348.42 × 344,969,194.86
  4. Step 4: Simplify right side
    805,083,201.90x = 416,524,550,298,002,432
  5. Step 5: Solve for x
    x = 416,524,550,298,002,432/805,083,201.90
  6. Step 6: Final answer
    x = 517,368,328.29

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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.