Home / 7,680,479,680,998.40-11,521,396,793,825-2,166,943,969,892.80

Finding the Fourth Proportional to 7,680,479,680,998.40, 11,521,396,793,825 and 2,166,943,969,892.80

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Solution

The fourth proportional to 7,680,479,680,998.40, 11,521,396,793,825 and 2,166,943,969,892.80 is: 3,250,607,038,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,479,680,998.40 : 11,521,396,793,825 = 2,166,943,969,892.80 : x
  2. Step 2: Convert to fraction form
    7,680,479,680,998.40/11,521,396,793,825 = 2,166,943,969,892.80/x
  3. Step 3: Cross multiply
    7,680,479,680,998.40x = 11,521,396,793,825 × 2,166,943,969,892.80
  4. Step 4: Simplify right side
    7,680,479,680,998.40x = 24,966,221,307,121,323,110,039,552
  5. Step 5: Solve for x
    x = 24,966,221,307,121,323,110,039,552/7,680,479,680,998.40
  6. Step 6: Final answer
    x = 3,250,607,038,110.92

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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.