Home / 551,578,369.70-827,611,241.94-289,200,190.73

Finding the Fourth Proportional to 551,578,369.70, 827,611,241.94 and 289,200,190.73

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Solution

The fourth proportional to 551,578,369.70, 827,611,241.94 and 289,200,190.73 is: 433,928,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,578,369.70 : 827,611,241.94 = 289,200,190.73 : x
  2. Step 2: Convert to fraction form
    551,578,369.70/827,611,241.94 = 289,200,190.73/x
  3. Step 3: Cross multiply
    551,578,369.70x = 827,611,241.94 × 289,200,190.73
  4. Step 4: Simplify right side
    551,578,369.70x = 239,345,329,015,202,144
  5. Step 5: Solve for x
    x = 239,345,329,015,202,144/551,578,369.70
  6. Step 6: Final answer
    x = 433,928,054.76

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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.