Home / 3,959,019,981.80-5,463,451,155.78-2,174,989,004.72

Finding the Fourth Proportional to 3,959,019,981.80, 5,463,451,155.78 and 2,174,989,004.72

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Solution

The fourth proportional to 3,959,019,981.80, 5,463,451,155.78 and 2,174,989,004.72 is: 3,001,486,793.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,019,981.80 : 5,463,451,155.78 = 2,174,989,004.72 : x
  2. Step 2: Convert to fraction form
    3,959,019,981.80/5,463,451,155.78 = 2,174,989,004.72/x
  3. Step 3: Cross multiply
    3,959,019,981.80x = 5,463,451,155.78 × 2,174,989,004.72
  4. Step 4: Simplify right side
    3,959,019,981.80x = 11,882,946,191,646,273,536
  5. Step 5: Solve for x
    x = 11,882,946,191,646,273,536/3,959,019,981.80
  6. Step 6: Final answer
    x = 3,001,486,793.77

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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.