Home / 1,770,100,820.20-2,655,151,230.30-664,703,540.20

Finding the Fourth Proportional to 1,770,100,820.20, 2,655,151,230.30 and 664,703,540.20

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Solution

The fourth proportional to 1,770,100,820.20, 2,655,151,230.30 and 664,703,540.20 is: 997,055,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,100,820.20 : 2,655,151,230.30 = 664,703,540.20 : x
  2. Step 2: Convert to fraction form
    1,770,100,820.20/2,655,151,230.30 = 664,703,540.20/x
  3. Step 3: Cross multiply
    1,770,100,820.20x = 2,655,151,230.30 × 664,703,540.20
  4. Step 4: Simplify right side
    1,770,100,820.20x = 1,764,888,422,546,795,776
  5. Step 5: Solve for x
    x = 1,764,888,422,546,795,776/1,770,100,820.20
  6. Step 6: Final answer
    x = 997,055,310.30

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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.