Home / 366,979,391.65-550,469,087.48-203,720,716.45

Finding the Fourth Proportional to 366,979,391.65, 550,469,087.48 and 203,720,716.45

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Solution

The fourth proportional to 366,979,391.65, 550,469,087.48 and 203,720,716.45 is: 305,581,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,979,391.65 : 550,469,087.48 = 203,720,716.45 : x
  2. Step 2: Convert to fraction form
    366,979,391.65/550,469,087.48 = 203,720,716.45/x
  3. Step 3: Cross multiply
    366,979,391.65x = 550,469,087.48 × 203,720,716.45
  4. Step 4: Simplify right side
    366,979,391.65x = 112,141,956,885,003,328
  5. Step 5: Solve for x
    x = 112,141,956,885,003,328/366,979,391.65
  6. Step 6: Final answer
    x = 305,581,074.68

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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.