Home / 2,412,327,811.50-3,618,700,138.92-665,530,550.40

Finding the Fourth Proportional to 2,412,327,811.50, 3,618,700,138.92 and 665,530,550.40

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Solution

The fourth proportional to 2,412,327,811.50, 3,618,700,138.92 and 665,530,550.40 is: 998,353,326.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412,327,811.50 : 3,618,700,138.92 = 665,530,550.40 : x
  2. Step 2: Convert to fraction form
    2,412,327,811.50/3,618,700,138.92 = 665,530,550.40/x
  3. Step 3: Cross multiply
    2,412,327,811.50x = 3,618,700,138.92 × 665,530,550.40
  4. Step 4: Simplify right side
    2,412,327,811.50x = 2,408,355,495,187,983,872
  5. Step 5: Solve for x
    x = 2,408,355,495,187,983,872/2,412,327,811.50
  6. Step 6: Final answer
    x = 998,353,326.49

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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.