Home / 496,352,313.20-744,528,469.80-419,824,809.20

Finding the Fourth Proportional to 496,352,313.20, 744,528,469.80 and 419,824,809.20

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Solution

The fourth proportional to 496,352,313.20, 744,528,469.80 and 419,824,809.20 is: 629,737,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,352,313.20 : 744,528,469.80 = 419,824,809.20 : x
  2. Step 2: Convert to fraction form
    496,352,313.20/744,528,469.80 = 419,824,809.20/x
  3. Step 3: Cross multiply
    496,352,313.20x = 744,528,469.80 × 419,824,809.20
  4. Step 4: Simplify right side
    496,352,313.20x = 312,571,522,777,752,960
  5. Step 5: Solve for x
    x = 312,571,522,777,752,960/496,352,313.20
  6. Step 6: Final answer
    x = 629,737,213.80

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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.