Home / 415,587,167.80-622,969,595.70-196,853,050.60

Finding the Fourth Proportional to 415,587,167.80, 622,969,595.70 and 196,853,050.60

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Solution

The fourth proportional to 415,587,167.80, 622,969,595.70 and 196,853,050.60 is: 295,084,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,587,167.80 : 622,969,595.70 = 196,853,050.60 : x
  2. Step 2: Convert to fraction form
    415,587,167.80/622,969,595.70 = 196,853,050.60/x
  3. Step 3: Cross multiply
    415,587,167.80x = 622,969,595.70 × 196,853,050.60
  4. Step 4: Simplify right side
    415,587,167.80x = 122,633,465,344,593,648
  5. Step 5: Solve for x
    x = 122,633,465,344,593,648/415,587,167.80
  6. Step 6: Final answer
    x = 295,084,821.78

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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.