Home / 2,640,404,979.92-3,642,964,272.80-1,582,747,044.88

Finding the Fourth Proportional to 2,640,404,979.92, 3,642,964,272.80 and 1,582,747,044.88

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Solution

The fourth proportional to 2,640,404,979.92, 3,642,964,272.80 and 1,582,747,044.88 is: 2,183,714,612.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,404,979.92 : 3,642,964,272.80 = 1,582,747,044.88 : x
  2. Step 2: Convert to fraction form
    2,640,404,979.92/3,642,964,272.80 = 1,582,747,044.88/x
  3. Step 3: Cross multiply
    2,640,404,979.92x = 3,642,964,272.80 × 1,582,747,044.88
  4. Step 4: Simplify right side
    2,640,404,979.92x = 5,765,890,937,377,618,944
  5. Step 5: Solve for x
    x = 5,765,890,937,377,618,944/2,640,404,979.92
  6. Step 6: Final answer
    x = 2,183,714,612.43

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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.