Home / 415,587,200.80-622,969,645.20-196,853,083.60

Finding the Fourth Proportional to 415,587,200.80, 622,969,645.20 and 196,853,083.60

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Solution

The fourth proportional to 415,587,200.80, 622,969,645.20 and 196,853,083.60 is: 295,084,871.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,587,200.80 : 622,969,645.20 = 196,853,083.60 : x
  2. Step 2: Convert to fraction form
    415,587,200.80/622,969,645.20 = 196,853,083.60/x
  3. Step 3: Cross multiply
    415,587,200.80x = 622,969,645.20 × 196,853,083.60
  4. Step 4: Simplify right side
    415,587,200.80x = 122,633,495,646,817,952
  5. Step 5: Solve for x
    x = 122,633,495,646,817,952/415,587,200.80
  6. Step 6: Final answer
    x = 295,084,871.26

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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.