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Finding the Fourth Proportional to 419,484,672,003.20, 629,227,008,004.80 and 419,484,672,003.20

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Solution

The fourth proportional to 419,484,672,003.20, 629,227,008,004.80 and 419,484,672,003.20 is: 629,227,008,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,484,672,003.20 : 629,227,008,004.80 = 419,484,672,003.20 : x
  2. Step 2: Convert to fraction form
    419,484,672,003.20/629,227,008,004.80 = 419,484,672,003.20/x
  3. Step 3: Cross multiply
    419,484,672,003.20x = 629,227,008,004.80 × 419,484,672,003.20
  4. Step 4: Simplify right side
    419,484,672,003.20x = 263,951,085,068,448,444,710,912
  5. Step 5: Solve for x
    x = 263,951,085,068,448,444,710,912/419,484,672,003.20
  6. Step 6: Final answer
    x = 629,227,008,004.80

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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.