Home / 2,399,922,400.59-3,311,868,512.36-1,328,227,821.66

Finding the Fourth Proportional to 2,399,922,400.59, 3,311,868,512.36 and 1,328,227,821.66

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Solution

The fourth proportional to 2,399,922,400.59, 3,311,868,512.36 and 1,328,227,821.66 is: 1,832,940,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399,922,400.59 : 3,311,868,512.36 = 1,328,227,821.66 : x
  2. Step 2: Convert to fraction form
    2,399,922,400.59/3,311,868,512.36 = 1,328,227,821.66/x
  3. Step 3: Cross multiply
    2,399,922,400.59x = 3,311,868,512.36 × 1,328,227,821.66
  4. Step 4: Simplify right side
    2,399,922,400.59x = 4,398,915,899,789,626,880
  5. Step 5: Solve for x
    x = 4,398,915,899,789,626,880/2,399,922,400.59
  6. Step 6: Final answer
    x = 1,832,940,889.55

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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.