Home / 23,140,247,860.69-31,930,988,771.66-12,976,884,243.09

Finding the Fourth Proportional to 23,140,247,860.69, 31,930,988,771.66 and 12,976,884,243.09

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Solution

The fourth proportional to 23,140,247,860.69, 31,930,988,771.66 and 12,976,884,243.09 is: 17,906,668,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140,247,860.69 : 31,930,988,771.66 = 12,976,884,243.09 : x
  2. Step 2: Convert to fraction form
    23,140,247,860.69/31,930,988,771.66 = 12,976,884,243.09/x
  3. Step 3: Cross multiply
    23,140,247,860.69x = 31,930,988,771.66 × 12,976,884,243.09
  4. Step 4: Simplify right side
    23,140,247,860.69x = 414,364,745,057,238,384,640
  5. Step 5: Solve for x
    x = 414,364,745,057,238,384,640/23,140,247,860.69
  6. Step 6: Final answer
    x = 17,906,668,396.63

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.