Home / 603,633,025.70-905,448,408.39-189,141,578.22

Finding the Fourth Proportional to 603,633,025.70, 905,448,408.39 and 189,141,578.22

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Solution

The fourth proportional to 603,633,025.70, 905,448,408.39 and 189,141,578.22 is: 283,712,013.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,633,025.70 : 905,448,408.39 = 189,141,578.22 : x
  2. Step 2: Convert to fraction form
    603,633,025.70/905,448,408.39 = 189,141,578.22/x
  3. Step 3: Cross multiply
    603,633,025.70x = 905,448,408.39 × 189,141,578.22
  4. Step 4: Simplify right side
    603,633,025.70x = 171,257,940,959,671,680
  5. Step 5: Solve for x
    x = 171,257,940,959,671,680/603,633,025.70
  6. Step 6: Final answer
    x = 283,712,013.21

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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.