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Finding the Fourth Proportional to 367,788,690.70, 551,408,458.20 and 222,191,571.40

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Solution

The fourth proportional to 367,788,690.70, 551,408,458.20 and 222,191,571.40 is: 333,121,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,788,690.70 : 551,408,458.20 = 222,191,571.40 : x
  2. Step 2: Convert to fraction form
    367,788,690.70/551,408,458.20 = 222,191,571.40/x
  3. Step 3: Cross multiply
    367,788,690.70x = 551,408,458.20 × 222,191,571.40
  4. Step 4: Simplify right side
    367,788,690.70x = 122,518,311,810,709,232
  5. Step 5: Solve for x
    x = 122,518,311,810,709,232/367,788,690.70
  6. Step 6: Final answer
    x = 333,121,476.84

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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.