Home / 379,190,883.15-568,928,042.33-149,320,212.03

Finding the Fourth Proportional to 379,190,883.15, 568,928,042.33 and 149,320,212.03

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Solution

The fourth proportional to 379,190,883.15, 568,928,042.33 and 149,320,212.03 is: 224,036,124.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,190,883.15 : 568,928,042.33 = 149,320,212.03 : x
  2. Step 2: Convert to fraction form
    379,190,883.15/568,928,042.33 = 149,320,212.03/x
  3. Step 3: Cross multiply
    379,190,883.15x = 568,928,042.33 × 149,320,212.03
  4. Step 4: Simplify right side
    379,190,883.15x = 84,952,455,909,781,824
  5. Step 5: Solve for x
    x = 84,952,455,909,781,824/379,190,883.15
  6. Step 6: Final answer
    x = 224,036,124.51

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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.