Home / 365,822,428.45-504,821,433.17-198,555,098.39

Finding the Fourth Proportional to 365,822,428.45, 504,821,433.17 and 198,555,098.39

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Solution

The fourth proportional to 365,822,428.45, 504,821,433.17 and 198,555,098.39 is: 273,998,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,822,428.45 : 504,821,433.17 = 198,555,098.39 : x
  2. Step 2: Convert to fraction form
    365,822,428.45/504,821,433.17 = 198,555,098.39/x
  3. Step 3: Cross multiply
    365,822,428.45x = 504,821,433.17 × 198,555,098.39
  4. Step 4: Simplify right side
    365,822,428.45x = 100,234,869,333,285,584
  5. Step 5: Solve for x
    x = 100,234,869,333,285,584/365,822,428.45
  6. Step 6: Final answer
    x = 273,998,698.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.