Home / 221,508,412,797.20-305,512,954,944.87-190,661,198,944.14

Finding the Fourth Proportional to 221,508,412,797.20, 305,512,954,944.87 and 190,661,198,944.14

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Solution

The fourth proportional to 221,508,412,797.20, 305,512,954,944.87 and 190,661,198,944.14 is: 262,967,286,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,508,412,797.20 : 305,512,954,944.87 = 190,661,198,944.14 : x
  2. Step 2: Convert to fraction form
    221,508,412,797.20/305,512,954,944.87 = 190,661,198,944.14/x
  3. Step 3: Cross multiply
    221,508,412,797.20x = 305,512,954,944.87 × 190,661,198,944.14
  4. Step 4: Simplify right side
    221,508,412,797.20x = 58,249,466,282,755,944,873,984
  5. Step 5: Solve for x
    x = 58,249,466,282,755,944,873,984/221,508,412,797.20
  6. Step 6: Final answer
    x = 262,967,286,646.97

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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.