Home / 445,189,571.73-667,784,378.35-304,991,782.27

Finding the Fourth Proportional to 445,189,571.73, 667,784,378.35 and 304,991,782.27

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Solution

The fourth proportional to 445,189,571.73, 667,784,378.35 and 304,991,782.27 is: 457,487,687.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,189,571.73 : 667,784,378.35 = 304,991,782.27 : x
  2. Step 2: Convert to fraction form
    445,189,571.73/667,784,378.35 = 304,991,782.27/x
  3. Step 3: Cross multiply
    445,189,571.73x = 667,784,378.35 × 304,991,782.27
  4. Step 4: Simplify right side
    445,189,571.73x = 203,668,747,725,030,496
  5. Step 5: Solve for x
    x = 203,668,747,725,030,496/445,189,571.73
  6. Step 6: Final answer
    x = 457,487,687.63

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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.