Home / 394,179,628.80-590,597,596.80-336,400,838.40

Finding the Fourth Proportional to 394,179,628.80, 590,597,596.80 and 336,400,838.40

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Solution

The fourth proportional to 394,179,628.80, 590,597,596.80 and 336,400,838.40 is: 504,027,890.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,179,628.80 : 590,597,596.80 = 336,400,838.40 : x
  2. Step 2: Convert to fraction form
    394,179,628.80/590,597,596.80 = 336,400,838.40/x
  3. Step 3: Cross multiply
    394,179,628.80x = 590,597,596.80 × 336,400,838.40
  4. Step 4: Simplify right side
    394,179,628.80x = 198,677,526,720,545,120
  5. Step 5: Solve for x
    x = 198,677,526,720,545,120/394,179,628.80
  6. Step 6: Final answer
    x = 504,027,890.34

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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.