Home / 981,651,664.20-1,472,477,496.30-254,640,376.20

Finding the Fourth Proportional to 981,651,664.20, 1,472,477,496.30 and 254,640,376.20

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Solution

The fourth proportional to 981,651,664.20, 1,472,477,496.30 and 254,640,376.20 is: 381,960,564.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,651,664.20 : 1,472,477,496.30 = 254,640,376.20 : x
  2. Step 2: Convert to fraction form
    981,651,664.20/1,472,477,496.30 = 254,640,376.20/x
  3. Step 3: Cross multiply
    981,651,664.20x = 1,472,477,496.30 × 254,640,376.20
  4. Step 4: Simplify right side
    981,651,664.20x = 374,952,223,603,866,048
  5. Step 5: Solve for x
    x = 374,952,223,603,866,048/981,651,664.20
  6. Step 6: Final answer
    x = 381,960,564.30

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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.