Home / 7,926,876,822.80-11,890,315,234.20-5,314,738,019.60

Finding the Fourth Proportional to 7,926,876,822.80, 11,890,315,234.20 and 5,314,738,019.60

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Solution

The fourth proportional to 7,926,876,822.80, 11,890,315,234.20 and 5,314,738,019.60 is: 7,972,107,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926,876,822.80 : 11,890,315,234.20 = 5,314,738,019.60 : x
  2. Step 2: Convert to fraction form
    7,926,876,822.80/11,890,315,234.20 = 5,314,738,019.60/x
  3. Step 3: Cross multiply
    7,926,876,822.80x = 11,890,315,234.20 × 5,314,738,019.60
  4. Step 4: Simplify right side
    7,926,876,822.80x = 63,193,910,440,231,829,504
  5. Step 5: Solve for x
    x = 63,193,910,440,231,829,504/7,926,876,822.80
  6. Step 6: Final answer
    x = 7,972,107,029.40

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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.