Home / 780,188,122.42-1,170,157,608.67-227,361,238.56

Finding the Fourth Proportional to 780,188,122.42, 1,170,157,608.67 and 227,361,238.56

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Solution

The fourth proportional to 780,188,122.42, 1,170,157,608.67 and 227,361,238.56 is: 341,005,554.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,188,122.42 : 1,170,157,608.67 = 227,361,238.56 : x
  2. Step 2: Convert to fraction form
    780,188,122.42/1,170,157,608.67 = 227,361,238.56/x
  3. Step 3: Cross multiply
    780,188,122.42x = 1,170,157,608.67 × 227,361,238.56
  4. Step 4: Simplify right side
    780,188,122.42x = 266,048,483,215,537,728
  5. Step 5: Solve for x
    x = 266,048,483,215,537,728/780,188,122.42
  6. Step 6: Final answer
    x = 341,005,554.39

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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.