Home / 1,259,715,067.70-1,889,572,601.55-441,532,123.70

Finding the Fourth Proportional to 1,259,715,067.70, 1,889,572,601.55 and 441,532,123.70

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Solution

The fourth proportional to 1,259,715,067.70, 1,889,572,601.55 and 441,532,123.70 is: 662,298,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,715,067.70 : 1,889,572,601.55 = 441,532,123.70 : x
  2. Step 2: Convert to fraction form
    1,259,715,067.70/1,889,572,601.55 = 441,532,123.70/x
  3. Step 3: Cross multiply
    1,259,715,067.70x = 1,889,572,601.55 × 441,532,123.70
  4. Step 4: Simplify right side
    1,259,715,067.70x = 834,307,003,647,705,344
  5. Step 5: Solve for x
    x = 834,307,003,647,705,344/1,259,715,067.70
  6. Step 6: Final answer
    x = 662,298,185.55

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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.