Home / 7,680,479,680,989.80-11,521,396,793,813-2,166,943,969,884.60

Finding the Fourth Proportional to 7,680,479,680,989.80, 11,521,396,793,813 and 2,166,943,969,884.60

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Solution

The fourth proportional to 7,680,479,680,989.80, 11,521,396,793,813 and 2,166,943,969,884.60 is: 3,250,607,038,098.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,479,680,989.80 : 11,521,396,793,813 = 2,166,943,969,884.60 : x
  2. Step 2: Convert to fraction form
    7,680,479,680,989.80/11,521,396,793,813 = 2,166,943,969,884.60/x
  3. Step 3: Cross multiply
    7,680,479,680,989.80x = 11,521,396,793,813 × 2,166,943,969,884.60
  4. Step 4: Simplify right side
    7,680,479,680,989.80x = 24,966,221,307,000,844,982,419,456
  5. Step 5: Solve for x
    x = 24,966,221,307,000,844,982,419,456/7,680,479,680,989.80
  6. Step 6: Final answer
    x = 3,250,607,038,098.88

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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.