Home / 874,514,917.20-1,311,786,372.60-228,282,661.20

Finding the Fourth Proportional to 874,514,917.20, 1,311,786,372.60 and 228,282,661.20

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Solution

The fourth proportional to 874,514,917.20, 1,311,786,372.60 and 228,282,661.20 is: 342,427,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,514,917.20 : 1,311,786,372.60 = 228,282,661.20 : x
  2. Step 2: Convert to fraction form
    874,514,917.20/1,311,786,372.60 = 228,282,661.20/x
  3. Step 3: Cross multiply
    874,514,917.20x = 1,311,786,372.60 × 228,282,661.20
  4. Step 4: Simplify right side
    874,514,917.20x = 299,458,084,063,022,720
  5. Step 5: Solve for x
    x = 299,458,084,063,022,720/874,514,917.20
  6. Step 6: Final answer
    x = 342,427,645.51

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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.