Home / 930,978,444.20-1,396,611,155.36-317,419,180.88

Finding the Fourth Proportional to 930,978,444.20, 1,396,611,155.36 and 317,419,180.88

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Solution

The fourth proportional to 930,978,444.20, 1,396,611,155.36 and 317,419,180.88 is: 476,177,694.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,978,444.20 : 1,396,611,155.36 = 317,419,180.88 : x
  2. Step 2: Convert to fraction form
    930,978,444.20/1,396,611,155.36 = 317,419,180.88/x
  3. Step 3: Cross multiply
    930,978,444.20x = 1,396,611,155.36 × 317,419,180.88
  4. Step 4: Simplify right side
    930,978,444.20x = 443,311,168,936,052,096
  5. Step 5: Solve for x
    x = 443,311,168,936,052,096/930,978,444.20
  6. Step 6: Final answer
    x = 476,177,694.23

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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.