Home / 1,480,345,234.20-2,220,517,851.30-1,247,892,940.80

Finding the Fourth Proportional to 1,480,345,234.20, 2,220,517,851.30 and 1,247,892,940.80

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Solution

The fourth proportional to 1,480,345,234.20, 2,220,517,851.30 and 1,247,892,940.80 is: 1,871,839,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,345,234.20 : 2,220,517,851.30 = 1,247,892,940.80 : x
  2. Step 2: Convert to fraction form
    1,480,345,234.20/2,220,517,851.30 = 1,247,892,940.80/x
  3. Step 3: Cross multiply
    1,480,345,234.20x = 2,220,517,851.30 × 1,247,892,940.80
  4. Step 4: Simplify right side
    1,480,345,234.20x = 2,770,968,551,557,654,016
  5. Step 5: Solve for x
    x = 2,770,968,551,557,654,016/1,480,345,234.20
  6. Step 6: Final answer
    x = 1,871,839,411.20

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Double scale
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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.