Home / 780,188,123.91-1,170,157,610.93-227,361,240.06

Finding the Fourth Proportional to 780,188,123.91, 1,170,157,610.93 and 227,361,240.06

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Solution

The fourth proportional to 780,188,123.91, 1,170,157,610.93 and 227,361,240.06 is: 341,005,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,188,123.91 : 1,170,157,610.93 = 227,361,240.06 : x
  2. Step 2: Convert to fraction form
    780,188,123.91/1,170,157,610.93 = 227,361,240.06/x
  3. Step 3: Cross multiply
    780,188,123.91x = 1,170,157,610.93 × 227,361,240.06
  4. Step 4: Simplify right side
    780,188,123.91x = 266,048,485,485,555,008
  5. Step 5: Solve for x
    x = 266,048,485,485,555,008/780,188,123.91
  6. Step 6: Final answer
    x = 341,005,556.65

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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.