Home / 1,661,028,113.20-2,491,542,169.80-1,635,200,080.60

Finding the Fourth Proportional to 1,661,028,113.20, 2,491,542,169.80 and 1,635,200,080.60

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Solution

The fourth proportional to 1,661,028,113.20, 2,491,542,169.80 and 1,635,200,080.60 is: 2,452,800,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,028,113.20 : 2,491,542,169.80 = 1,635,200,080.60 : x
  2. Step 2: Convert to fraction form
    1,661,028,113.20/2,491,542,169.80 = 1,635,200,080.60/x
  3. Step 3: Cross multiply
    1,661,028,113.20x = 2,491,542,169.80 × 1,635,200,080.60
  4. Step 4: Simplify right side
    1,661,028,113.20x = 4,074,169,956,875,258,880
  5. Step 5: Solve for x
    x = 4,074,169,956,875,258,880/1,661,028,113.20
  6. Step 6: Final answer
    x = 2,452,800,120.90

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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.