Home / 419,906,076.20-629,859,114.30-236,240,066.60

Finding the Fourth Proportional to 419,906,076.20, 629,859,114.30 and 236,240,066.60

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Solution

The fourth proportional to 419,906,076.20, 629,859,114.30 and 236,240,066.60 is: 354,360,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,906,076.20 : 629,859,114.30 = 236,240,066.60 : x
  2. Step 2: Convert to fraction form
    419,906,076.20/629,859,114.30 = 236,240,066.60/x
  3. Step 3: Cross multiply
    419,906,076.20x = 629,859,114.30 × 236,240,066.60
  4. Step 4: Simplify right side
    419,906,076.20x = 148,797,959,110,848,992
  5. Step 5: Solve for x
    x = 148,797,959,110,848,992/419,906,076.20
  6. Step 6: Final answer
    x = 354,360,099.90

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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.