Home / 1,491,016,245.25-2,057,608,633.35-821,946,591.67

Finding the Fourth Proportional to 1,491,016,245.25, 2,057,608,633.35 and 821,946,591.67

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Solution

The fourth proportional to 1,491,016,245.25, 2,057,608,633.35 and 821,946,591.67 is: 1,134,289,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,016,245.25 : 2,057,608,633.35 = 821,946,591.67 : x
  2. Step 2: Convert to fraction form
    1,491,016,245.25/2,057,608,633.35 = 821,946,591.67/x
  3. Step 3: Cross multiply
    1,491,016,245.25x = 2,057,608,633.35 × 821,946,591.67
  4. Step 4: Simplify right side
    1,491,016,245.25x = 1,691,244,403,172,798,976
  5. Step 5: Solve for x
    x = 1,691,244,403,172,798,976/1,491,016,245.25
  6. Step 6: Final answer
    x = 1,134,289,722.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.