Home / 1,120,718,122.20-1,676,542,220.10-984,669,226.20

Finding the Fourth Proportional to 1,120,718,122.20, 1,676,542,220.10 and 984,669,226.20

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Solution

The fourth proportional to 1,120,718,122.20, 1,676,542,220.10 and 984,669,226.20 is: 1,473,019,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,718,122.20 : 1,676,542,220.10 = 984,669,226.20 : x
  2. Step 2: Convert to fraction form
    1,120,718,122.20/1,676,542,220.10 = 984,669,226.20/x
  3. Step 3: Cross multiply
    1,120,718,122.20x = 1,676,542,220.10 × 984,669,226.20
  4. Step 4: Simplify right side
    1,120,718,122.20x = 1,650,839,530,557,497,088
  5. Step 5: Solve for x
    x = 1,650,839,530,557,497,088/1,120,718,122.20
  6. Step 6: Final answer
    x = 1,473,019,395.20

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Double scale
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1.5x scale

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.