Home / 2,016,171,321.20-3,020,855,759.40-978,798,489.20

Finding the Fourth Proportional to 2,016,171,321.20, 3,020,855,759.40 and 978,798,489.20

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Solution

The fourth proportional to 2,016,171,321.20, 3,020,855,759.40 and 978,798,489.20 is: 1,466,546,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016,171,321.20 : 3,020,855,759.40 = 978,798,489.20 : x
  2. Step 2: Convert to fraction form
    2,016,171,321.20/3,020,855,759.40 = 978,798,489.20/x
  3. Step 3: Cross multiply
    2,016,171,321.20x = 3,020,855,759.40 × 978,798,489.20
  4. Step 4: Simplify right side
    2,016,171,321.20x = 2,956,809,053,391,838,720
  5. Step 5: Solve for x
    x = 2,956,809,053,391,838,720/2,016,171,321.20
  6. Step 6: Final answer
    x = 1,466,546,529.21

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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.