Home / 727,582,963.10-1,091,383,105.28-202,920,143.26

Finding the Fourth Proportional to 727,582,963.10, 1,091,383,105.28 and 202,920,143.26

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Solution

The fourth proportional to 727,582,963.10, 1,091,383,105.28 and 202,920,143.26 is: 304,382,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,582,963.10 : 1,091,383,105.28 = 202,920,143.26 : x
  2. Step 2: Convert to fraction form
    727,582,963.10/1,091,383,105.28 = 202,920,143.26/x
  3. Step 3: Cross multiply
    727,582,963.10x = 1,091,383,105.28 × 202,920,143.26
  4. Step 4: Simplify right side
    727,582,963.10x = 221,463,616,074,722,400
  5. Step 5: Solve for x
    x = 221,463,616,074,722,400/727,582,963.10
  6. Step 6: Final answer
    x = 304,382,630.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.