Home / 27,892,659,451.04-38,491,551,943.44-15,205,115,224.16

Finding the Fourth Proportional to 27,892,659,451.04, 38,491,551,943.44 and 15,205,115,224.16

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Solution

The fourth proportional to 27,892,659,451.04, 38,491,551,943.44 and 15,205,115,224.16 is: 20,982,885,604.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,892,659,451.04 : 38,491,551,943.44 = 15,205,115,224.16 : x
  2. Step 2: Convert to fraction form
    27,892,659,451.04/38,491,551,943.44 = 15,205,115,224.16/x
  3. Step 3: Cross multiply
    27,892,659,451.04x = 38,491,551,943.44 × 15,205,115,224.16
  4. Step 4: Simplify right side
    27,892,659,451.04x = 585,268,482,456,745,017,344
  5. Step 5: Solve for x
    x = 585,268,482,456,745,017,344/27,892,659,451.04
  6. Step 6: Final answer
    x = 20,982,885,604.15

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Half scale
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Double scale
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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.