Home / 603,632,990.33-905,448,355.35-189,141,542.85

Finding the Fourth Proportional to 603,632,990.33, 905,448,355.35 and 189,141,542.85

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Solution

The fourth proportional to 603,632,990.33, 905,448,355.35 and 189,141,542.85 is: 283,711,960.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,632,990.33 : 905,448,355.35 = 189,141,542.85 : x
  2. Step 2: Convert to fraction form
    603,632,990.33/905,448,355.35 = 189,141,542.85/x
  3. Step 3: Cross multiply
    603,632,990.33x = 905,448,355.35 × 189,141,542.85
  4. Step 4: Simplify right side
    603,632,990.33x = 171,257,898,901,894,048
  5. Step 5: Solve for x
    x = 171,257,898,901,894,048/603,632,990.33
  6. Step 6: Final answer
    x = 283,711,960.16

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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.