Home / 603,562,892.30-905,344,408.55-189,072,013.22

Finding the Fourth Proportional to 603,562,892.30, 905,344,408.55 and 189,072,013.22

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Solution

The fourth proportional to 603,562,892.30, 905,344,408.55 and 189,072,013.22 is: 283,608,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,562,892.30 : 905,344,408.55 = 189,072,013.22 : x
  2. Step 2: Convert to fraction form
    603,562,892.30/905,344,408.55 = 189,072,013.22/x
  3. Step 3: Cross multiply
    603,562,892.30x = 905,344,408.55 × 189,072,013.22
  4. Step 4: Simplify right side
    603,562,892.30x = 171,175,289,976,546,592
  5. Step 5: Solve for x
    x = 171,175,289,976,546,592/603,562,892.30
  6. Step 6: Final answer
    x = 283,608,041.78

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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.