Home / 1,511,857,993.91-2,086,488,230.15-833,807,554.43

Finding the Fourth Proportional to 1,511,857,993.91, 2,086,488,230.15 and 833,807,554.43

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Solution

The fourth proportional to 1,511,857,993.91, 2,086,488,230.15 and 833,807,554.43 is: 1,150,722,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,857,993.91 : 2,086,488,230.15 = 833,807,554.43 : x
  2. Step 2: Convert to fraction form
    1,511,857,993.91/2,086,488,230.15 = 833,807,554.43/x
  3. Step 3: Cross multiply
    1,511,857,993.91x = 2,086,488,230.15 × 833,807,554.43
  4. Step 4: Simplify right side
    1,511,857,993.91x = 1,739,729,648,520,002,304
  5. Step 5: Solve for x
    x = 1,739,729,648,520,002,304/1,511,857,993.91
  6. Step 6: Final answer
    x = 1,150,722,922.08

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Double scale
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1.5x scale

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.