Home / 481,586,108.80-722,379,163.20-328,531,100.80

Finding the Fourth Proportional to 481,586,108.80, 722,379,163.20 and 328,531,100.80

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Solution

The fourth proportional to 481,586,108.80, 722,379,163.20 and 328,531,100.80 is: 492,796,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,586,108.80 : 722,379,163.20 = 328,531,100.80 : x
  2. Step 2: Convert to fraction form
    481,586,108.80/722,379,163.20 = 328,531,100.80/x
  3. Step 3: Cross multiply
    481,586,108.80x = 722,379,163.20 × 328,531,100.80
  4. Step 4: Simplify right side
    481,586,108.80x = 237,324,021,681,078,880
  5. Step 5: Solve for x
    x = 237,324,021,681,078,880/481,586,108.80
  6. Step 6: Final answer
    x = 492,796,651.20

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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.