Home / 1,491,016,151.46-2,057,608,503.92-821,946,497.88

Finding the Fourth Proportional to 1,491,016,151.46, 2,057,608,503.92 and 821,946,497.88

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Solution

The fourth proportional to 1,491,016,151.46, 2,057,608,503.92 and 821,946,497.88 is: 1,134,289,593.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,016,151.46 : 2,057,608,503.92 = 821,946,497.88 : x
  2. Step 2: Convert to fraction form
    1,491,016,151.46/2,057,608,503.92 = 821,946,497.88/x
  3. Step 3: Cross multiply
    1,491,016,151.46x = 2,057,608,503.92 × 821,946,497.88
  4. Step 4: Simplify right side
    1,491,016,151.46x = 1,691,244,103,794,886,144
  5. Step 5: Solve for x
    x = 1,691,244,103,794,886,144/1,491,016,151.46
  6. Step 6: Final answer
    x = 1,134,289,593.14

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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.