Home / 397,303,158.00-548,274,006.82-218,683,227.43

Finding the Fourth Proportional to 397,303,158.00, 548,274,006.82 and 218,683,227.43

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Solution

The fourth proportional to 397,303,158.00, 548,274,006.82 and 218,683,227.43 is: 301,780,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,303,158.00 : 548,274,006.82 = 218,683,227.43 : x
  2. Step 2: Convert to fraction form
    397,303,158.00/548,274,006.82 = 218,683,227.43/x
  3. Step 3: Cross multiply
    397,303,158.00x = 548,274,006.82 × 218,683,227.43
  4. Step 4: Simplify right side
    397,303,158.00x = 119,898,329,324,016,144
  5. Step 5: Solve for x
    x = 119,898,329,324,016,144/397,303,158.00
  6. Step 6: Final answer
    x = 301,780,458.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.