Home / 7,926,876,894.80-11,890,315,342.20-5,314,738,091.60

Finding the Fourth Proportional to 7,926,876,894.80, 11,890,315,342.20 and 5,314,738,091.60

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Solution

The fourth proportional to 7,926,876,894.80, 11,890,315,342.20 and 5,314,738,091.60 is: 7,972,107,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926,876,894.80 : 11,890,315,342.20 = 5,314,738,091.60 : x
  2. Step 2: Convert to fraction form
    7,926,876,894.80/11,890,315,342.20 = 5,314,738,091.60/x
  3. Step 3: Cross multiply
    7,926,876,894.80x = 11,890,315,342.20 × 5,314,738,091.60
  4. Step 4: Simplify right side
    7,926,876,894.80x = 63,193,911,870,326,235,136
  5. Step 5: Solve for x
    x = 63,193,911,870,326,235,136/7,926,876,894.80
  6. Step 6: Final answer
    x = 7,972,107,137.40

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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.