Home / 809,168,822.97-1,213,261,733.34-317,292,818.10

Finding the Fourth Proportional to 809,168,822.97, 1,213,261,733.34 and 317,292,818.10

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Solution

The fourth proportional to 809,168,822.97, 1,213,261,733.34 and 317,292,818.10 is: 475,746,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,168,822.97 : 1,213,261,733.34 = 317,292,818.10 : x
  2. Step 2: Convert to fraction form
    809,168,822.97/1,213,261,733.34 = 317,292,818.10/x
  3. Step 3: Cross multiply
    809,168,822.97x = 1,213,261,733.34 × 317,292,818.10
  4. Step 4: Simplify right side
    809,168,822.97x = 384,959,234,464,339,328
  5. Step 5: Solve for x
    x = 384,959,234,464,339,328/809,168,822.97
  6. Step 6: Final answer
    x = 475,746,498.80

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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.