Home / 728,715,604.40-1,093,073,406.60-658,423,674.80

Finding the Fourth Proportional to 728,715,604.40, 1,093,073,406.60 and 658,423,674.80

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Solution

The fourth proportional to 728,715,604.40, 1,093,073,406.60 and 658,423,674.80 is: 987,635,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,715,604.40 : 1,093,073,406.60 = 658,423,674.80 : x
  2. Step 2: Convert to fraction form
    728,715,604.40/1,093,073,406.60 = 658,423,674.80/x
  3. Step 3: Cross multiply
    728,715,604.40x = 1,093,073,406.60 × 658,423,674.80
  4. Step 4: Simplify right side
    728,715,604.40x = 719,705,409,199,726,464
  5. Step 5: Solve for x
    x = 719,705,409,199,726,464/728,715,604.40
  6. Step 6: Final answer
    x = 987,635,512.20

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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.