Home / 1,086,179,616.90-1,629,269,425.35-268,291,917.90

Finding the Fourth Proportional to 1,086,179,616.90, 1,629,269,425.35 and 268,291,917.90

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Solution

The fourth proportional to 1,086,179,616.90, 1,629,269,425.35 and 268,291,917.90 is: 402,437,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,179,616.90 : 1,629,269,425.35 = 268,291,917.90 : x
  2. Step 2: Convert to fraction form
    1,086,179,616.90/1,629,269,425.35 = 268,291,917.90/x
  3. Step 3: Cross multiply
    1,086,179,616.90x = 1,629,269,425.35 × 268,291,917.90
  4. Step 4: Simplify right side
    1,086,179,616.90x = 437,119,818,902,982,336
  5. Step 5: Solve for x
    x = 437,119,818,902,982,336/1,086,179,616.90
  6. Step 6: Final answer
    x = 402,437,876.85

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Double scale
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Similar ratio
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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.