Home / 2,160,319,728.46-2,981,720,825.92-1,313,367,084.30

Finding the Fourth Proportional to 2,160,319,728.46, 2,981,720,825.92 and 1,313,367,084.30

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Solution

The fourth proportional to 2,160,319,728.46, 2,981,720,825.92 and 1,313,367,084.30 is: 1,812,738,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,319,728.46 : 2,981,720,825.92 = 1,313,367,084.30 : x
  2. Step 2: Convert to fraction form
    2,160,319,728.46/2,981,720,825.92 = 1,313,367,084.30/x
  3. Step 3: Cross multiply
    2,160,319,728.46x = 2,981,720,825.92 × 1,313,367,084.30
  4. Step 4: Simplify right side
    2,160,319,728.46x = 3,916,093,987,335,138,304
  5. Step 5: Solve for x
    x = 3,916,093,987,335,138,304/2,160,319,728.46
  6. Step 6: Final answer
    x = 1,812,738,149.70

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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.