Home / 852,961,158.72-1,279,441,737.60-206,728,902.72

Finding the Fourth Proportional to 852,961,158.72, 1,279,441,737.60 and 206,728,902.72

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Solution

The fourth proportional to 852,961,158.72, 1,279,441,737.60 and 206,728,902.72 is: 310,093,353.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,961,158.72 : 1,279,441,737.60 = 206,728,902.72 : x
  2. Step 2: Convert to fraction form
    852,961,158.72/1,279,441,737.60 = 206,728,902.72/x
  3. Step 3: Cross multiply
    852,961,158.72x = 1,279,441,737.60 × 206,728,902.72
  4. Step 4: Simplify right side
    852,961,158.72x = 264,497,586,508,218,144
  5. Step 5: Solve for x
    x = 264,497,586,508,218,144/852,961,158.72
  6. Step 6: Final answer
    x = 310,093,353.96

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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.