Home / 12,886,469,843,840-17,806,590,401,892-9,176,244,790,345.20

Finding the Fourth Proportional to 12,886,469,843,840, 17,806,590,401,892 and 9,176,244,790,345.20

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Solution

The fourth proportional to 12,886,469,843,840, 17,806,590,401,892 and 9,176,244,790,345.20 is: 12,679,782,313,484.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886,469,843,840 : 17,806,590,401,892 = 9,176,244,790,345.20 : x
  2. Step 2: Convert to fraction form
    12,886,469,843,840/17,806,590,401,892 = 9,176,244,790,345.20/x
  3. Step 3: Cross multiply
    12,886,469,843,840x = 17,806,590,401,892 × 9,176,244,790,345.20
  4. Step 4: Simplify right side
    12,886,469,843,840x = 163,397,632,409,172,304,405,200,896
  5. Step 5: Solve for x
    x = 163,397,632,409,172,304,405,200,896/12,886,469,843,840
  6. Step 6: Final answer
    x = 12,679,782,313,484.38

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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.