Home / 10,218,910,450.56-15,330,954,639.96-3,136,752,381.12

Finding the Fourth Proportional to 10,218,910,450.56, 15,330,954,639.96 and 3,136,752,381.12

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Solution

The fourth proportional to 10,218,910,450.56, 15,330,954,639.96 and 3,136,752,381.12 is: 4,705,923,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218,910,450.56 : 15,330,954,639.96 = 3,136,752,381.12 : x
  2. Step 2: Convert to fraction form
    10,218,910,450.56/15,330,954,639.96 = 3,136,752,381.12/x
  3. Step 3: Cross multiply
    10,218,910,450.56x = 15,330,954,639.96 × 3,136,752,381.12
  4. Step 4: Simplify right side
    10,218,910,450.56x = 48,089,408,471,737,237,504
  5. Step 5: Solve for x
    x = 48,089,408,471,737,237,504/10,218,910,450.56
  6. Step 6: Final answer
    x = 4,705,923,268.86

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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.