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Finding the Fourth Proportional to 2,620,059,260,629.20, 3,930,088,890,943.90 and 2,620,059,260,629.20

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Solution

The fourth proportional to 2,620,059,260,629.20, 3,930,088,890,943.90 and 2,620,059,260,629.20 is: 3,930,088,890,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,059,260,629.20 : 3,930,088,890,943.90 = 2,620,059,260,629.20 : x
  2. Step 2: Convert to fraction form
    2,620,059,260,629.20/3,930,088,890,943.90 = 2,620,059,260,629.20/x
  3. Step 3: Cross multiply
    2,620,059,260,629.20x = 3,930,088,890,943.90 × 2,620,059,260,629.20
  4. Step 4: Simplify right side
    2,620,059,260,629.20x = 10,297,065,793,813,507,660,054,528
  5. Step 5: Solve for x
    x = 10,297,065,793,813,507,660,054,528/2,620,059,260,629.20
  6. Step 6: Final answer
    x = 3,930,088,890,943.90

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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.