Home / 3,981,346,256.80-5,972,019,385.20-3,436,702,775.20

Finding the Fourth Proportional to 3,981,346,256.80, 5,972,019,385.20 and 3,436,702,775.20

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Solution

The fourth proportional to 3,981,346,256.80, 5,972,019,385.20 and 3,436,702,775.20 is: 5,155,054,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,346,256.80 : 5,972,019,385.20 = 3,436,702,775.20 : x
  2. Step 2: Convert to fraction form
    3,981,346,256.80/5,972,019,385.20 = 3,436,702,775.20/x
  3. Step 3: Cross multiply
    3,981,346,256.80x = 5,972,019,385.20 × 3,436,702,775.20
  4. Step 4: Simplify right side
    3,981,346,256.80x = 20,524,055,594,665,037,824
  5. Step 5: Solve for x
    x = 20,524,055,594,665,037,824/3,981,346,256.80
  6. Step 6: Final answer
    x = 5,155,054,162.80

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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.