Home / 379,008,329.58-523,035,099.99-222,378,101.10

Finding the Fourth Proportional to 379,008,329.58, 523,035,099.99 and 222,378,101.10

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Solution

The fourth proportional to 379,008,329.58, 523,035,099.99 and 222,378,101.10 is: 306,883,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,008,329.58 : 523,035,099.99 = 222,378,101.10 : x
  2. Step 2: Convert to fraction form
    379,008,329.58/523,035,099.99 = 222,378,101.10/x
  3. Step 3: Cross multiply
    379,008,329.58x = 523,035,099.99 × 222,378,101.10
  4. Step 4: Simplify right side
    379,008,329.58x = 116,311,552,344,424,832
  5. Step 5: Solve for x
    x = 116,311,552,344,424,832/379,008,329.58
  6. Step 6: Final answer
    x = 306,883,894.80

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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.