Home / 3,963,585,913.20-5,469,906,162.24-2,179,585,627.92

Finding the Fourth Proportional to 3,963,585,913.20, 5,469,906,162.24 and 2,179,585,627.92

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Solution

The fourth proportional to 3,963,585,913.20, 5,469,906,162.24 and 2,179,585,627.92 is: 3,007,914,832.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963,585,913.20 : 5,469,906,162.24 = 2,179,585,627.92 : x
  2. Step 2: Convert to fraction form
    3,963,585,913.20/5,469,906,162.24 = 2,179,585,627.92/x
  3. Step 3: Cross multiply
    3,963,585,913.20x = 5,469,906,162.24 × 2,179,585,627.92
  4. Step 4: Simplify right side
    3,963,585,913.20x = 11,922,128,857,289,347,072
  5. Step 5: Solve for x
    x = 11,922,128,857,289,347,072/3,963,585,913.20
  6. Step 6: Final answer
    x = 3,007,914,832.27

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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.