Home / 7,680,479,680,955.70-11,521,396,793,759-2,166,943,969,850.20

Finding the Fourth Proportional to 7,680,479,680,955.70, 11,521,396,793,759 and 2,166,943,969,850.20

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Solution

The fourth proportional to 7,680,479,680,955.70, 11,521,396,793,759 and 2,166,943,969,850.20 is: 3,250,607,038,046.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,479,680,955.70 : 11,521,396,793,759 = 2,166,943,969,850.20 : x
  2. Step 2: Convert to fraction form
    7,680,479,680,955.70/11,521,396,793,759 = 2,166,943,969,850.20/x
  3. Step 3: Cross multiply
    7,680,479,680,955.70x = 11,521,396,793,759 × 2,166,943,969,850.20
  4. Step 4: Simplify right side
    7,680,479,680,955.70x = 24,966,221,306,487,493,311,332,352
  5. Step 5: Solve for x
    x = 24,966,221,306,487,493,311,332,352/7,680,479,680,955.70
  6. Step 6: Final answer
    x = 3,250,607,038,046.47

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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.