Home / 298,505,530.87-447,651,220.78-114,324,788.95

Finding the Fourth Proportional to 298,505,530.87, 447,651,220.78 and 114,324,788.95

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Solution

The fourth proportional to 298,505,530.87, 447,651,220.78 and 114,324,788.95 is: 171,446,174.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,505,530.87 : 447,651,220.78 = 114,324,788.95 : x
  2. Step 2: Convert to fraction form
    298,505,530.87/447,651,220.78 = 114,324,788.95/x
  3. Step 3: Cross multiply
    298,505,530.87x = 447,651,220.78 × 114,324,788.95
  4. Step 4: Simplify right side
    298,505,530.87x = 51,177,631,337,907,136
  5. Step 5: Solve for x
    x = 51,177,631,337,907,136/298,505,530.87
  6. Step 6: Final answer
    x = 171,446,174.51

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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.