Home / 722,339,919.03-996,834,190.10-392,315,058.03

Finding the Fourth Proportional to 722,339,919.03, 996,834,190.10 and 392,315,058.03

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Solution

The fourth proportional to 722,339,919.03, 996,834,190.10 and 392,315,058.03 is: 541,397,550.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,339,919.03 : 996,834,190.10 = 392,315,058.03 : x
  2. Step 2: Convert to fraction form
    722,339,919.03/996,834,190.10 = 392,315,058.03/x
  3. Step 3: Cross multiply
    722,339,919.03x = 996,834,190.10 × 392,315,058.03
  4. Step 4: Simplify right side
    722,339,919.03x = 391,073,063,135,369,536
  5. Step 5: Solve for x
    x = 391,073,063,135,369,536/722,339,919.03
  6. Step 6: Final answer
    x = 541,397,550.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.