Home / 1,372,694,589.54-1,868,976,079.68-1,368,336,109.14

Finding the Fourth Proportional to 1,372,694,589.54, 1,868,976,079.68 and 1,368,336,109.14

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Solution

The fourth proportional to 1,372,694,589.54, 1,868,976,079.68 and 1,368,336,109.14 is: 1,863,041,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,694,589.54 : 1,868,976,079.68 = 1,368,336,109.14 : x
  2. Step 2: Convert to fraction form
    1,372,694,589.54/1,868,976,079.68 = 1,368,336,109.14/x
  3. Step 3: Cross multiply
    1,372,694,589.54x = 1,868,976,079.68 × 1,368,336,109.14
  4. Step 4: Simplify right side
    1,372,694,589.54x = 2,557,387,456,945,061,888
  5. Step 5: Solve for x
    x = 2,557,387,456,945,061,888/1,372,694,589.54
  6. Step 6: Final answer
    x = 1,863,041,842.25

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.