Home / 2,787,453,979.61-3,846,765,785.49-1,517,376,869.51

Finding the Fourth Proportional to 2,787,453,979.61, 3,846,765,785.49 and 1,517,376,869.51

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Solution

The fourth proportional to 2,787,453,979.61, 3,846,765,785.49 and 1,517,376,869.51 is: 2,094,023,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,453,979.61 : 3,846,765,785.49 = 1,517,376,869.51 : x
  2. Step 2: Convert to fraction form
    2,787,453,979.61/3,846,765,785.49 = 1,517,376,869.51/x
  3. Step 3: Cross multiply
    2,787,453,979.61x = 3,846,765,785.49 × 1,517,376,869.51
  4. Step 4: Simplify right side
    2,787,453,979.61x = 5,836,993,425,305,758,720
  5. Step 5: Solve for x
    x = 5,836,993,425,305,758,720/2,787,453,979.61
  6. Step 6: Final answer
    x = 2,094,023,244.16

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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.