Home / 374,062,638.80-516,222,383.66-209,050,203.44

Finding the Fourth Proportional to 374,062,638.80, 516,222,383.66 and 209,050,203.44

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Solution

The fourth proportional to 374,062,638.80, 516,222,383.66 and 209,050,203.44 is: 288,498,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,062,638.80 : 516,222,383.66 = 209,050,203.44 : x
  2. Step 2: Convert to fraction form
    374,062,638.80/516,222,383.66 = 209,050,203.44/x
  3. Step 3: Cross multiply
    374,062,638.80x = 516,222,383.66 × 209,050,203.44
  4. Step 4: Simplify right side
    374,062,638.80x = 107,916,394,324,404,736
  5. Step 5: Solve for x
    x = 107,916,394,324,404,736/374,062,638.80
  6. Step 6: Final answer
    x = 288,498,190.22

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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.