Home / 695,404,960.60-1,043,107,440.90-419,905,946.20

Finding the Fourth Proportional to 695,404,960.60, 1,043,107,440.90 and 419,905,946.20

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Solution

The fourth proportional to 695,404,960.60, 1,043,107,440.90 and 419,905,946.20 is: 629,858,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,404,960.60 : 1,043,107,440.90 = 419,905,946.20 : x
  2. Step 2: Convert to fraction form
    695,404,960.60/1,043,107,440.90 = 419,905,946.20/x
  3. Step 3: Cross multiply
    695,404,960.60x = 1,043,107,440.90 × 419,905,946.20
  4. Step 4: Simplify right side
    695,404,960.60x = 438,007,016,959,375,040
  5. Step 5: Solve for x
    x = 438,007,016,959,375,040/695,404,960.60
  6. Step 6: Final answer
    x = 629,858,919.30

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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.