Home / 725,469,816.88-1,086,609,638.44-599,545,290.72

Finding the Fourth Proportional to 725,469,816.88, 1,086,609,638.44 and 599,545,290.72

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Solution

The fourth proportional to 725,469,816.88, 1,086,609,638.44 and 599,545,290.72 is: 897,999,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,469,816.88 : 1,086,609,638.44 = 599,545,290.72 : x
  2. Step 2: Convert to fraction form
    725,469,816.88/1,086,609,638.44 = 599,545,290.72/x
  3. Step 3: Cross multiply
    725,469,816.88x = 1,086,609,638.44 × 599,545,290.72
  4. Step 4: Simplify right side
    725,469,816.88x = 651,471,691,577,664,000
  5. Step 5: Solve for x
    x = 651,471,691,577,664,000/725,469,816.88
  6. Step 6: Final answer
    x = 897,999,718.83

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1.5x scale

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.