Home / 419,904,822.80-629,857,234.20-236,238,813.20

Finding the Fourth Proportional to 419,904,822.80, 629,857,234.20 and 236,238,813.20

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Solution

The fourth proportional to 419,904,822.80, 629,857,234.20 and 236,238,813.20 is: 354,358,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,822.80 : 629,857,234.20 = 236,238,813.20 : x
  2. Step 2: Convert to fraction form
    419,904,822.80/629,857,234.20 = 236,238,813.20/x
  3. Step 3: Cross multiply
    419,904,822.80x = 629,857,234.20 × 236,238,813.20
  4. Step 4: Simplify right side
    419,904,822.80x = 148,796,725,492,842,464
  5. Step 5: Solve for x
    x = 148,796,725,492,842,464/419,904,822.80
  6. Step 6: Final answer
    x = 354,358,219.80

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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.