Home / 1,485,282,896.20-2,049,745,713.06-890,664,190.12

Finding the Fourth Proportional to 1,485,282,896.20, 2,049,745,713.06 and 890,664,190.12

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Solution

The fourth proportional to 1,485,282,896.20, 2,049,745,713.06 and 890,664,190.12 is: 1,229,149,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,282,896.20 : 2,049,745,713.06 = 890,664,190.12 : x
  2. Step 2: Convert to fraction form
    1,485,282,896.20/2,049,745,713.06 = 890,664,190.12/x
  3. Step 3: Cross multiply
    1,485,282,896.20x = 2,049,745,713.06 × 890,664,190.12
  4. Step 4: Simplify right side
    1,485,282,896.20x = 1,825,635,105,474,526,720
  5. Step 5: Solve for x
    x = 1,825,635,105,474,526,720/1,485,282,896.20
  6. Step 6: Final answer
    x = 1,229,149,753.32

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Double scale
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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.