Home / 7,680,479,680,948.80-11,521,396,793,750-2,166,943,969,843.80

Finding the Fourth Proportional to 7,680,479,680,948.80, 11,521,396,793,750 and 2,166,943,969,843.80

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Solution

The fourth proportional to 7,680,479,680,948.80, 11,521,396,793,750 and 2,166,943,969,843.80 is: 3,250,607,038,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,479,680,948.80 : 11,521,396,793,750 = 2,166,943,969,843.80 : x
  2. Step 2: Convert to fraction form
    7,680,479,680,948.80/11,521,396,793,750 = 2,166,943,969,843.80/x
  3. Step 3: Cross multiply
    7,680,479,680,948.80x = 11,521,396,793,750 × 2,166,943,969,843.80
  4. Step 4: Simplify right side
    7,680,479,680,948.80x = 24,966,221,306,394,253,866,303,488
  5. Step 5: Solve for x
    x = 24,966,221,306,394,253,866,303,488/7,680,479,680,948.80
  6. Step 6: Final answer
    x = 3,250,607,038,037.25

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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.