Home / 415,565,102.80-622,936,498.20-196,830,985.60

Finding the Fourth Proportional to 415,565,102.80, 622,936,498.20 and 196,830,985.60

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Solution

The fourth proportional to 415,565,102.80, 622,936,498.20 and 196,830,985.60 is: 295,051,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,565,102.80 : 622,936,498.20 = 196,830,985.60 : x
  2. Step 2: Convert to fraction form
    415,565,102.80/622,936,498.20 = 196,830,985.60/x
  3. Step 3: Cross multiply
    415,565,102.80x = 622,936,498.20 × 196,830,985.60
  4. Step 4: Simplify right side
    415,565,102.80x = 122,613,204,906,918,624
  5. Step 5: Solve for x
    x = 122,613,204,906,918,624/415,565,102.80
  6. Step 6: Final answer
    x = 295,051,735.77

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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.