Home / 1,297,668,863.20-1,946,692,251.60-424,058,591.20

Finding the Fourth Proportional to 1,297,668,863.20, 1,946,692,251.60 and 424,058,591.20

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Solution

The fourth proportional to 1,297,668,863.20, 1,946,692,251.60 and 424,058,591.20 is: 636,149,635.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,668,863.20 : 1,946,692,251.60 = 424,058,591.20 : x
  2. Step 2: Convert to fraction form
    1,297,668,863.20/1,946,692,251.60 = 424,058,591.20/x
  3. Step 3: Cross multiply
    1,297,668,863.20x = 1,946,692,251.60 × 424,058,591.20
  4. Step 4: Simplify right side
    1,297,668,863.20x = 825,511,573,713,451,904
  5. Step 5: Solve for x
    x = 825,511,573,713,451,904/1,297,668,863.20
  6. Step 6: Final answer
    x = 636,149,635.03

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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.