Home / 266,223,231.18-401,152,016.45-218,764,221.24

Finding the Fourth Proportional to 266,223,231.18, 401,152,016.45 and 218,764,221.24

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Solution

The fourth proportional to 266,223,231.18, 401,152,016.45 and 218,764,221.24 is: 329,639,558.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,223,231.18 : 401,152,016.45 = 218,764,221.24 : x
  2. Step 2: Convert to fraction form
    266,223,231.18/401,152,016.45 = 218,764,221.24/x
  3. Step 3: Cross multiply
    266,223,231.18x = 401,152,016.45 × 218,764,221.24
  4. Step 4: Simplify right side
    266,223,231.18x = 87,757,708,476,446,096
  5. Step 5: Solve for x
    x = 87,757,708,476,446,096/266,223,231.18
  6. Step 6: Final answer
    x = 329,639,558.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.