Home / 1,491,016,152.46-2,057,608,505.30-821,946,498.88

Finding the Fourth Proportional to 1,491,016,152.46, 2,057,608,505.30 and 821,946,498.88

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Solution

The fourth proportional to 1,491,016,152.46, 2,057,608,505.30 and 821,946,498.88 is: 1,134,289,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,016,152.46 : 2,057,608,505.30 = 821,946,498.88 : x
  2. Step 2: Convert to fraction form
    1,491,016,152.46/2,057,608,505.30 = 821,946,498.88/x
  3. Step 3: Cross multiply
    1,491,016,152.46x = 2,057,608,505.30 × 821,946,498.88
  4. Step 4: Simplify right side
    1,491,016,152.46x = 1,691,244,106,997,044,992
  5. Step 5: Solve for x
    x = 1,691,244,106,997,044,992/1,491,016,152.46
  6. Step 6: Final answer
    x = 1,134,289,594.52

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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.