Home / 981,651,696.20-1,472,477,544.30-254,640,408.20

Finding the Fourth Proportional to 981,651,696.20, 1,472,477,544.30 and 254,640,408.20

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Solution

The fourth proportional to 981,651,696.20, 1,472,477,544.30 and 254,640,408.20 is: 381,960,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,651,696.20 : 1,472,477,544.30 = 254,640,408.20 : x
  2. Step 2: Convert to fraction form
    981,651,696.20/1,472,477,544.30 = 254,640,408.20/x
  3. Step 3: Cross multiply
    981,651,696.20x = 1,472,477,544.30 × 254,640,408.20
  4. Step 4: Simplify right side
    981,651,696.20x = 374,952,282,945,885,568
  5. Step 5: Solve for x
    x = 374,952,282,945,885,568/981,651,696.20
  6. Step 6: Final answer
    x = 381,960,612.30

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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.