Home / 436,627,961.40-654,941,942.10-218,311,998.60

Finding the Fourth Proportional to 436,627,961.40, 654,941,942.10 and 218,311,998.60

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Solution

The fourth proportional to 436,627,961.40, 654,941,942.10 and 218,311,998.60 is: 327,467,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,627,961.40 : 654,941,942.10 = 218,311,998.60 : x
  2. Step 2: Convert to fraction form
    436,627,961.40/654,941,942.10 = 218,311,998.60/x
  3. Step 3: Cross multiply
    436,627,961.40x = 654,941,942.10 × 218,311,998.60
  4. Step 4: Simplify right side
    436,627,961.40x = 142,981,684,346,816,480
  5. Step 5: Solve for x
    x = 142,981,684,346,816,480/436,627,961.40
  6. Step 6: Final answer
    x = 327,467,997.90

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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.