Home / 3,079,297,958.40-4,618,946,937.60-1,240,370,380.80

Finding the Fourth Proportional to 3,079,297,958.40, 4,618,946,937.60 and 1,240,370,380.80

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Solution

The fourth proportional to 3,079,297,958.40, 4,618,946,937.60 and 1,240,370,380.80 is: 1,860,555,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,297,958.40 : 4,618,946,937.60 = 1,240,370,380.80 : x
  2. Step 2: Convert to fraction form
    3,079,297,958.40/4,618,946,937.60 = 1,240,370,380.80/x
  3. Step 3: Cross multiply
    3,079,297,958.40x = 4,618,946,937.60 × 1,240,370,380.80
  4. Step 4: Simplify right side
    3,079,297,958.40x = 5,729,204,971,885,905,920
  5. Step 5: Solve for x
    x = 5,729,204,971,885,905,920/3,079,297,958.40
  6. Step 6: Final answer
    x = 1,860,555,571.20

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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.