Home / 419,905,387.80-629,858,081.70-333,174,216.60

Finding the Fourth Proportional to 419,905,387.80, 629,858,081.70 and 333,174,216.60

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Solution

The fourth proportional to 419,905,387.80, 629,858,081.70 and 333,174,216.60 is: 499,761,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,905,387.80 : 629,858,081.70 = 333,174,216.60 : x
  2. Step 2: Convert to fraction form
    419,905,387.80/629,858,081.70 = 333,174,216.60/x
  3. Step 3: Cross multiply
    419,905,387.80x = 629,858,081.70 × 333,174,216.60
  4. Step 4: Simplify right side
    419,905,387.80x = 209,852,472,939,576,320
  5. Step 5: Solve for x
    x = 209,852,472,939,576,320/419,905,387.80
  6. Step 6: Final answer
    x = 499,761,324.90

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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.