Home / 2,639,313,388.70-3,961,520,999.85-1,330,693,070.30

Finding the Fourth Proportional to 2,639,313,388.70, 3,961,520,999.85 and 1,330,693,070.30

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Solution

The fourth proportional to 2,639,313,388.70, 3,961,520,999.85 and 1,330,693,070.30 is: 1,997,325,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,313,388.70 : 3,961,520,999.85 = 1,330,693,070.30 : x
  2. Step 2: Convert to fraction form
    2,639,313,388.70/3,961,520,999.85 = 1,330,693,070.30/x
  3. Step 3: Cross multiply
    2,639,313,388.70x = 3,961,520,999.85 × 1,330,693,070.30
  4. Step 4: Simplify right side
    2,639,313,388.70x = 5,271,568,542,348,321,792
  5. Step 5: Solve for x
    x = 5,271,568,542,348,321,792/2,639,313,388.70
  6. Step 6: Final answer
    x = 1,997,325,730.59

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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.