Home / 27,892,659,449.04-38,491,551,940.68-15,205,115,222.16

Finding the Fourth Proportional to 27,892,659,449.04, 38,491,551,940.68 and 15,205,115,222.16

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Solution

The fourth proportional to 27,892,659,449.04, 38,491,551,940.68 and 15,205,115,222.16 is: 20,982,885,601.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,892,659,449.04 : 38,491,551,940.68 = 15,205,115,222.16 : x
  2. Step 2: Convert to fraction form
    27,892,659,449.04/38,491,551,940.68 = 15,205,115,222.16/x
  3. Step 3: Cross multiply
    27,892,659,449.04x = 38,491,551,940.68 × 15,205,115,222.16
  4. Step 4: Simplify right side
    27,892,659,449.04x = 585,268,482,337,795,735,552
  5. Step 5: Solve for x
    x = 585,268,482,337,795,735,552/27,892,659,449.04
  6. Step 6: Final answer
    x = 20,982,885,601.39

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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.