Home / 3,981,346,257.80-5,972,019,386.70-3,436,702,776.20

Finding the Fourth Proportional to 3,981,346,257.80, 5,972,019,386.70 and 3,436,702,776.20

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Solution

The fourth proportional to 3,981,346,257.80, 5,972,019,386.70 and 3,436,702,776.20 is: 5,155,054,164.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,346,257.80 : 5,972,019,386.70 = 3,436,702,776.20 : x
  2. Step 2: Convert to fraction form
    3,981,346,257.80/5,972,019,386.70 = 3,436,702,776.20/x
  3. Step 3: Cross multiply
    3,981,346,257.80x = 5,972,019,386.70 × 3,436,702,776.20
  4. Step 4: Simplify right side
    3,981,346,257.80x = 20,524,055,605,792,108,544
  5. Step 5: Solve for x
    x = 20,524,055,605,792,108,544/3,981,346,257.80
  6. Step 6: Final answer
    x = 5,155,054,164.30

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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.