Home / 664,302,568.20-996,453,852.30-479,679,964.80

Finding the Fourth Proportional to 664,302,568.20, 996,453,852.30 and 479,679,964.80

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Solution

The fourth proportional to 664,302,568.20, 996,453,852.30 and 479,679,964.80 is: 719,519,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,568.20 : 996,453,852.30 = 479,679,964.80 : x
  2. Step 2: Convert to fraction form
    664,302,568.20/996,453,852.30 = 479,679,964.80/x
  3. Step 3: Cross multiply
    664,302,568.20x = 996,453,852.30 × 479,679,964.80
  4. Step 4: Simplify right side
    664,302,568.20x = 477,978,948,796,088,384
  5. Step 5: Solve for x
    x = 477,978,948,796,088,384/664,302,568.20
  6. Step 6: Final answer
    x = 719,519,947.20

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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.