Home / 446,906,179.78-616,638,098.49-261,231,279.46

Finding the Fourth Proportional to 446,906,179.78, 616,638,098.49 and 261,231,279.46

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Solution

The fourth proportional to 446,906,179.78, 616,638,098.49 and 261,231,279.46 is: 360,445,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,906,179.78 : 616,638,098.49 = 261,231,279.46 : x
  2. Step 2: Convert to fraction form
    446,906,179.78/616,638,098.49 = 261,231,279.46/x
  3. Step 3: Cross multiply
    446,906,179.78x = 616,638,098.49 × 261,231,279.46
  4. Step 4: Simplify right side
    446,906,179.78x = 161,085,159,432,324,192
  5. Step 5: Solve for x
    x = 161,085,159,432,324,192/446,906,179.78
  6. Step 6: Final answer
    x = 360,445,137.53

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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.