Home / 13,315,955,176.38-19,946,137,723.92-7,987,167,712.02

Finding the Fourth Proportional to 13,315,955,176.38, 19,946,137,723.92 and 7,987,167,712.02

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Solution

The fourth proportional to 13,315,955,176.38, 19,946,137,723.92 and 7,987,167,712.02 is: 11,964,079,564.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315,955,176.38 : 19,946,137,723.92 = 7,987,167,712.02 : x
  2. Step 2: Convert to fraction form
    13,315,955,176.38/19,946,137,723.92 = 7,987,167,712.02/x
  3. Step 3: Cross multiply
    13,315,955,176.38x = 19,946,137,723.92 × 7,987,167,712.02
  4. Step 4: Simplify right side
    13,315,955,176.38x = 159,313,147,207,997,915,136
  5. Step 5: Solve for x
    x = 159,313,147,207,997,915,136/13,315,955,176.38
  6. Step 6: Final answer
    x = 11,964,079,564.54

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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.