Home / 822,073,610.40-1,233,110,415.60-667,105,414.80

Finding the Fourth Proportional to 822,073,610.40, 1,233,110,415.60 and 667,105,414.80

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Solution

The fourth proportional to 822,073,610.40, 1,233,110,415.60 and 667,105,414.80 is: 1,000,658,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,073,610.40 : 1,233,110,415.60 = 667,105,414.80 : x
  2. Step 2: Convert to fraction form
    822,073,610.40/1,233,110,415.60 = 667,105,414.80/x
  3. Step 3: Cross multiply
    822,073,610.40x = 1,233,110,415.60 × 667,105,414.80
  4. Step 4: Simplify right side
    822,073,610.40x = 822,614,635,293,038,208
  5. Step 5: Solve for x
    x = 822,614,635,293,038,208/822,073,610.40
  6. Step 6: Final answer
    x = 1,000,658,122.20

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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.