Home / 1,288,307,719.40-1,933,469,348.70-598,300,471.40

Finding the Fourth Proportional to 1,288,307,719.40, 1,933,469,348.70 and 598,300,471.40

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Solution

The fourth proportional to 1,288,307,719.40, 1,933,469,348.70 and 598,300,471.40 is: 897,918,723.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,307,719.40 : 1,933,469,348.70 = 598,300,471.40 : x
  2. Step 2: Convert to fraction form
    1,288,307,719.40/1,933,469,348.70 = 598,300,471.40/x
  3. Step 3: Cross multiply
    1,288,307,719.40x = 1,933,469,348.70 × 598,300,471.40
  4. Step 4: Simplify right side
    1,288,307,719.40x = 1,156,795,622,764,660,992
  5. Step 5: Solve for x
    x = 1,156,795,622,764,660,992/1,288,307,719.40
  6. Step 6: Final answer
    x = 897,918,723.41

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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.