Home / 491,808,676.28-737,716,185.36-196,728,447.69

Finding the Fourth Proportional to 491,808,676.28, 737,716,185.36 and 196,728,447.69

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Solution

The fourth proportional to 491,808,676.28, 737,716,185.36 and 196,728,447.69 is: 295,093,939.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,808,676.28 : 737,716,185.36 = 196,728,447.69 : x
  2. Step 2: Convert to fraction form
    491,808,676.28/737,716,185.36 = 196,728,447.69/x
  3. Step 3: Cross multiply
    491,808,676.28x = 737,716,185.36 × 196,728,447.69
  4. Step 4: Simplify right side
    491,808,676.28x = 145,129,759,981,661,120
  5. Step 5: Solve for x
    x = 145,129,759,981,661,120/491,808,676.28
  6. Step 6: Final answer
    x = 295,093,939.95

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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.