Home / 1,378,993,067.35-2,068,489,601.03-1,206,806,183.35

Finding the Fourth Proportional to 1,378,993,067.35, 2,068,489,601.03 and 1,206,806,183.35

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Solution

The fourth proportional to 1,378,993,067.35, 2,068,489,601.03 and 1,206,806,183.35 is: 1,810,209,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,993,067.35 : 2,068,489,601.03 = 1,206,806,183.35 : x
  2. Step 2: Convert to fraction form
    1,378,993,067.35/2,068,489,601.03 = 1,206,806,183.35/x
  3. Step 3: Cross multiply
    1,378,993,067.35x = 2,068,489,601.03 × 1,206,806,183.35
  4. Step 4: Simplify right side
    1,378,993,067.35x = 2,496,266,040,712,144,384
  5. Step 5: Solve for x
    x = 2,496,266,040,712,144,384/1,378,993,067.35
  6. Step 6: Final answer
    x = 1,810,209,275.03

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Double scale
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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.