Home / 383,424,604.40-575,136,906.60-318,801,378.80

Finding the Fourth Proportional to 383,424,604.40, 575,136,906.60 and 318,801,378.80

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Solution

The fourth proportional to 383,424,604.40, 575,136,906.60 and 318,801,378.80 is: 478,202,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,424,604.40 : 575,136,906.60 = 318,801,378.80 : x
  2. Step 2: Convert to fraction form
    383,424,604.40/575,136,906.60 = 318,801,378.80/x
  3. Step 3: Cross multiply
    383,424,604.40x = 575,136,906.60 × 318,801,378.80
  4. Step 4: Simplify right side
    383,424,604.40x = 183,354,438,822,846,848
  5. Step 5: Solve for x
    x = 183,354,438,822,846,848/383,424,604.40
  6. Step 6: Final answer
    x = 478,202,068.20

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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.