Home / 7,680,479,680,996.80-11,521,396,793,822-2,166,943,969,891.70

Finding the Fourth Proportional to 7,680,479,680,996.80, 11,521,396,793,822 and 2,166,943,969,891.70

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Solution

The fourth proportional to 7,680,479,680,996.80, 11,521,396,793,822 and 2,166,943,969,891.70 is: 3,250,607,038,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,479,680,996.80 : 11,521,396,793,822 = 2,166,943,969,891.70 : x
  2. Step 2: Convert to fraction form
    7,680,479,680,996.80/11,521,396,793,822 = 2,166,943,969,891.70/x
  3. Step 3: Cross multiply
    7,680,479,680,996.80x = 11,521,396,793,822 × 2,166,943,969,891.70
  4. Step 4: Simplify right side
    7,680,479,680,996.80x = 24,966,221,307,102,150,376,030,208
  5. Step 5: Solve for x
    x = 24,966,221,307,102,150,376,030,208/7,680,479,680,996.80
  6. Step 6: Final answer
    x = 3,250,607,038,109.10

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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.