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Finding the Fourth Proportional to 20,049,969,852,012, 30,074,954,778,018 and 20,049,969,852,012

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Solution

The fourth proportional to 20,049,969,852,012, 30,074,954,778,018 and 20,049,969,852,012 is: 30,074,954,778,018

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049,969,852,012 : 30,074,954,778,018 = 20,049,969,852,012 : x
  2. Step 2: Convert to fraction form
    20,049,969,852,012/30,074,954,778,018 = 20,049,969,852,012/x
  3. Step 3: Cross multiply
    20,049,969,852,012x = 30,074,954,778,018 × 20,049,969,852,012
  4. Step 4: Simplify right side
    20,049,969,852,012x = 603,001,936,599,885,176,994,004,992
  5. Step 5: Solve for x
    x = 603,001,936,599,885,176,994,004,992/20,049,969,852,012
  6. Step 6: Final answer
    x = 30,074,954,778,018

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Double scale
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1.5x scale

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.