Home / 603,633,019.15-905,448,398.64-189,141,571.72

Finding the Fourth Proportional to 603,633,019.15, 905,448,398.64 and 189,141,571.72

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Solution

The fourth proportional to 603,633,019.15, 905,448,398.64 and 189,141,571.72 is: 283,712,003.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,633,019.15 : 905,448,398.64 = 189,141,571.72 : x
  2. Step 2: Convert to fraction form
    603,633,019.15/905,448,398.64 = 189,141,571.72/x
  3. Step 3: Cross multiply
    603,633,019.15x = 905,448,398.64 × 189,141,571.72
  4. Step 4: Simplify right side
    603,633,019.15x = 171,257,933,230,126,720
  5. Step 5: Solve for x
    x = 171,257,933,230,126,720/603,633,019.15
  6. Step 6: Final answer
    x = 283,712,003.48

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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.