Home / 419,904,927.60-629,857,391.40-332,228,972.40

Finding the Fourth Proportional to 419,904,927.60, 629,857,391.40 and 332,228,972.40

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Solution

The fourth proportional to 419,904,927.60, 629,857,391.40 and 332,228,972.40 is: 498,343,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,927.60 : 629,857,391.40 = 332,228,972.40 : x
  2. Step 2: Convert to fraction form
    419,904,927.60/629,857,391.40 = 332,228,972.40/x
  3. Step 3: Cross multiply
    419,904,927.60x = 629,857,391.40 × 332,228,972.40
  4. Step 4: Simplify right side
    419,904,927.60x = 209,256,873,903,366,560
  5. Step 5: Solve for x
    x = 209,256,873,903,366,560/419,904,927.60
  6. Step 6: Final answer
    x = 498,343,458.60

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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.