Home / 419,905,619.60-629,858,429.40-332,229,664.40

Finding the Fourth Proportional to 419,905,619.60, 629,858,429.40 and 332,229,664.40

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Solution

The fourth proportional to 419,905,619.60, 629,858,429.40 and 332,229,664.40 is: 498,344,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,905,619.60 : 629,858,429.40 = 332,229,664.40 : x
  2. Step 2: Convert to fraction form
    419,905,619.60/629,858,429.40 = 332,229,664.40/x
  3. Step 3: Cross multiply
    419,905,619.60x = 629,858,429.40 × 332,229,664.40
  4. Step 4: Simplify right side
    419,905,619.60x = 209,257,654,619,073,056
  5. Step 5: Solve for x
    x = 209,257,654,619,073,056/419,905,619.60
  6. Step 6: Final answer
    x = 498,344,496.60

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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.