Home / 852,473,025.85-1,278,755,377.10-270,252,672.23

Finding the Fourth Proportional to 852,473,025.85, 1,278,755,377.10 and 270,252,672.23

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Solution

The fourth proportional to 852,473,025.85, 1,278,755,377.10 and 270,252,672.23 is: 405,393,540.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,473,025.85 : 1,278,755,377.10 = 270,252,672.23 : x
  2. Step 2: Convert to fraction form
    852,473,025.85/1,278,755,377.10 = 270,252,672.23/x
  3. Step 3: Cross multiply
    852,473,025.85x = 1,278,755,377.10 × 270,252,672.23
  4. Step 4: Simplify right side
    852,473,025.85x = 345,587,057,782,011,328
  5. Step 5: Solve for x
    x = 345,587,057,782,011,328/852,473,025.85
  6. Step 6: Final answer
    x = 405,393,540.09

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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.