Home / 603,632,991.33-905,448,356.85-189,141,543.85

Finding the Fourth Proportional to 603,632,991.33, 905,448,356.85 and 189,141,543.85

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Solution

The fourth proportional to 603,632,991.33, 905,448,356.85 and 189,141,543.85 is: 283,711,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,632,991.33 : 905,448,356.85 = 189,141,543.85 : x
  2. Step 2: Convert to fraction form
    603,632,991.33/905,448,356.85 = 189,141,543.85/x
  3. Step 3: Cross multiply
    603,632,991.33x = 905,448,356.85 × 189,141,543.85
  4. Step 4: Simplify right side
    603,632,991.33x = 171,257,900,091,054,720
  5. Step 5: Solve for x
    x = 171,257,900,091,054,720/603,632,991.33
  6. Step 6: Final answer
    x = 283,711,961.66

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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.