Home / 7,680,479,680,998.20-11,521,396,793,824-2,166,943,969,893.40

Finding the Fourth Proportional to 7,680,479,680,998.20, 11,521,396,793,824 and 2,166,943,969,893.40

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Solution

The fourth proportional to 7,680,479,680,998.20, 11,521,396,793,824 and 2,166,943,969,893.40 is: 3,250,607,038,111.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,479,680,998.20 : 11,521,396,793,824 = 2,166,943,969,893.40 : x
  2. Step 2: Convert to fraction form
    7,680,479,680,998.20/11,521,396,793,824 = 2,166,943,969,893.40/x
  3. Step 3: Cross multiply
    7,680,479,680,998.20x = 11,521,396,793,824 × 2,166,943,969,893.40
  4. Step 4: Simplify right side
    7,680,479,680,998.20x = 24,966,221,307,126,069,048,901,632
  5. Step 5: Solve for x
    x = 24,966,221,307,126,069,048,901,632/7,680,479,680,998.20
  6. Step 6: Final answer
    x = 3,250,607,038,111.62

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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.