Home / 2,212,381,239.40-3,318,146,706.30-659,723,213.80

Finding the Fourth Proportional to 2,212,381,239.40, 3,318,146,706.30 and 659,723,213.80

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Solution

The fourth proportional to 2,212,381,239.40, 3,318,146,706.30 and 659,723,213.80 is: 989,458,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,381,239.40 : 3,318,146,706.30 = 659,723,213.80 : x
  2. Step 2: Convert to fraction form
    2,212,381,239.40/3,318,146,706.30 = 659,723,213.80/x
  3. Step 3: Cross multiply
    2,212,381,239.40x = 3,318,146,706.30 × 659,723,213.80
  4. Step 4: Simplify right side
    2,212,381,239.40x = 2,189,058,408,940,120,576
  5. Step 5: Solve for x
    x = 2,189,058,408,940,120,576/2,212,381,239.40
  6. Step 6: Final answer
    x = 989,458,041.84

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1.5x scale

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.