Home / 7,680,479,680,948.30-11,521,396,793,750-2,166,943,969,843.30

Finding the Fourth Proportional to 7,680,479,680,948.30, 11,521,396,793,750 and 2,166,943,969,843.30

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Solution

The fourth proportional to 7,680,479,680,948.30, 11,521,396,793,750 and 2,166,943,969,843.30 is: 3,250,607,038,036.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,479,680,948.30 : 11,521,396,793,750 = 2,166,943,969,843.30 : x
  2. Step 2: Convert to fraction form
    7,680,479,680,948.30/11,521,396,793,750 = 2,166,943,969,843.30/x
  3. Step 3: Cross multiply
    7,680,479,680,948.30x = 11,521,396,793,750 × 2,166,943,969,843.30
  4. Step 4: Simplify right side
    7,680,479,680,948.30x = 24,966,221,306,388,494,315,159,552
  5. Step 5: Solve for x
    x = 24,966,221,306,388,494,315,159,552/7,680,479,680,948.30
  6. Step 6: Final answer
    x = 3,250,607,038,036.71

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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.