Home / 2,639,313,399.20-3,961,521,015.60-1,330,693,080.80

Finding the Fourth Proportional to 2,639,313,399.20, 3,961,521,015.60 and 1,330,693,080.80

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Solution

The fourth proportional to 2,639,313,399.20, 3,961,521,015.60 and 1,330,693,080.80 is: 1,997,325,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,313,399.20 : 3,961,521,015.60 = 1,330,693,080.80 : x
  2. Step 2: Convert to fraction form
    2,639,313,399.20/3,961,521,015.60 = 1,330,693,080.80/x
  3. Step 3: Cross multiply
    2,639,313,399.20x = 3,961,521,015.60 × 1,330,693,080.80
  4. Step 4: Simplify right side
    2,639,313,399.20x = 5,271,568,604,902,708,224
  5. Step 5: Solve for x
    x = 5,271,568,604,902,708,224/2,639,313,399.20
  6. Step 6: Final answer
    x = 1,997,325,746.35

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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.