Home / 419,950,256.40-628,823,136.60-296,461,738.80

Finding the Fourth Proportional to 419,950,256.40, 628,823,136.60 and 296,461,738.80

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Solution

The fourth proportional to 419,950,256.40, 628,823,136.60 and 296,461,738.80 is: 443,914,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,950,256.40 : 628,823,136.60 = 296,461,738.80 : x
  2. Step 2: Convert to fraction form
    419,950,256.40/628,823,136.60 = 296,461,738.80/x
  3. Step 3: Cross multiply
    419,950,256.40x = 628,823,136.60 × 296,461,738.80
  4. Step 4: Simplify right side
    419,950,256.40x = 186,422,000,474,105,920
  5. Step 5: Solve for x
    x = 186,422,000,474,105,920/419,950,256.40
  6. Step 6: Final answer
    x = 443,914,481.85

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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.