Home / 15,278,304,996.19-21,084,061,867.04-8,503,977,743.04

Finding the Fourth Proportional to 15,278,304,996.19, 21,084,061,867.04 and 8,503,977,743.04

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Solution

The fourth proportional to 15,278,304,996.19, 21,084,061,867.04 and 8,503,977,743.04 is: 11,735,489,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278,304,996.19 : 21,084,061,867.04 = 8,503,977,743.04 : x
  2. Step 2: Convert to fraction form
    15,278,304,996.19/21,084,061,867.04 = 8,503,977,743.04/x
  3. Step 3: Cross multiply
    15,278,304,996.19x = 21,084,061,867.04 × 8,503,977,743.04
  4. Step 4: Simplify right side
    15,278,304,996.19x = 179,298,392,850,232,639,488
  5. Step 5: Solve for x
    x = 179,298,392,850,232,639,488/15,278,304,996.19
  6. Step 6: Final answer
    x = 11,735,489,826.59

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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.