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Finding the Fourth Proportional to 20,049,969,852,039, 30,074,954,778,056 and 20,049,969,852,039

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Solution

The fourth proportional to 20,049,969,852,039, 30,074,954,778,056 and 20,049,969,852,039 is: 30,074,954,778,056

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049,969,852,039 : 30,074,954,778,056 = 20,049,969,852,039 : x
  2. Step 2: Convert to fraction form
    20,049,969,852,039/30,074,954,778,056 = 20,049,969,852,039/x
  3. Step 3: Cross multiply
    20,049,969,852,039x = 30,074,954,778,056 × 20,049,969,852,039
  4. Step 4: Simplify right side
    20,049,969,852,039x = 603,001,936,601,459,059,169,689,600
  5. Step 5: Solve for x
    x = 603,001,936,601,459,059,169,689,600/20,049,969,852,039
  6. Step 6: Final answer
    x = 30,074,954,778,056

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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.