Home / 18,752,512,766.12-25,877,517,269.46-11,131,884,409.76

Finding the Fourth Proportional to 18,752,512,766.12, 25,877,517,269.46 and 11,131,884,409.76

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Solution

The fourth proportional to 18,752,512,766.12, 25,877,517,269.46 and 11,131,884,409.76 is: 15,361,436,339.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,752,512,766.12 : 25,877,517,269.46 = 11,131,884,409.76 : x
  2. Step 2: Convert to fraction form
    18,752,512,766.12/25,877,517,269.46 = 11,131,884,409.76/x
  3. Step 3: Cross multiply
    18,752,512,766.12x = 25,877,517,269.46 × 11,131,884,409.76
  4. Step 4: Simplify right side
    18,752,512,766.12x = 288,065,531,055,196,930,048
  5. Step 5: Solve for x
    x = 288,065,531,055,196,930,048/18,752,512,766.12
  6. Step 6: Final answer
    x = 15,361,436,339.12

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1.5x scale

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.