Home / 7,680,479,680,929.40-11,521,396,793,723-2,166,943,969,824.80

Finding the Fourth Proportional to 7,680,479,680,929.40, 11,521,396,793,723 and 2,166,943,969,824.80

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Solution

The fourth proportional to 7,680,479,680,929.40, 11,521,396,793,723 and 2,166,943,969,824.80 is: 3,250,607,038,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,479,680,929.40 : 11,521,396,793,723 = 2,166,943,969,824.80 : x
  2. Step 2: Convert to fraction form
    7,680,479,680,929.40/11,521,396,793,723 = 2,166,943,969,824.80/x
  3. Step 3: Cross multiply
    7,680,479,680,929.40x = 11,521,396,793,723 × 2,166,943,969,824.80
  4. Step 4: Simplify right side
    7,680,479,680,929.40x = 24,966,221,306,116,841,928,654,848
  5. Step 5: Solve for x
    x = 24,966,221,306,116,841,928,654,848/7,680,479,680,929.40
  6. Step 6: Final answer
    x = 3,250,607,038,009.34

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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.