Home / 491,098,678.20-736,648,017.30-296,910,136.80

Finding the Fourth Proportional to 491,098,678.20, 736,648,017.30 and 296,910,136.80

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Solution

The fourth proportional to 491,098,678.20, 736,648,017.30 and 296,910,136.80 is: 445,365,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,098,678.20 : 736,648,017.30 = 296,910,136.80 : x
  2. Step 2: Convert to fraction form
    491,098,678.20/736,648,017.30 = 296,910,136.80/x
  3. Step 3: Cross multiply
    491,098,678.20x = 736,648,017.30 × 296,910,136.80
  4. Step 4: Simplify right side
    491,098,678.20x = 218,718,263,589,991,776
  5. Step 5: Solve for x
    x = 218,718,263,589,991,776/491,098,678.20
  6. Step 6: Final answer
    x = 445,365,205.20

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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.