Home / 2,885,410,687.97-3,981,530,825.54-1,615,321,219.88

Finding the Fourth Proportional to 2,885,410,687.97, 3,981,530,825.54 and 1,615,321,219.88

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Solution

The fourth proportional to 2,885,410,687.97, 3,981,530,825.54 and 1,615,321,219.88 is: 2,228,955,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,410,687.97 : 3,981,530,825.54 = 1,615,321,219.88 : x
  2. Step 2: Convert to fraction form
    2,885,410,687.97/3,981,530,825.54 = 1,615,321,219.88/x
  3. Step 3: Cross multiply
    2,885,410,687.97x = 3,981,530,825.54 × 1,615,321,219.88
  4. Step 4: Simplify right side
    2,885,410,687.97x = 6,431,451,230,093,020,160
  5. Step 5: Solve for x
    x = 6,431,451,230,093,020,160/2,885,410,687.97
  6. Step 6: Final answer
    x = 2,228,955,225.30

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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.