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Finding the Fourth Proportional to 548,604,578,049.45, 822,906,867,074.18 and 548,604,578,049.45

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Solution

The fourth proportional to 548,604,578,049.45, 822,906,867,074.18 and 548,604,578,049.45 is: 822,906,867,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,604,578,049.45 : 822,906,867,074.18 = 548,604,578,049.45 : x
  2. Step 2: Convert to fraction form
    548,604,578,049.45/822,906,867,074.18 = 548,604,578,049.45/x
  3. Step 3: Cross multiply
    548,604,578,049.45x = 822,906,867,074.18 × 548,604,578,049.45
  4. Step 4: Simplify right side
    548,604,578,049.45x = 451,450,474,585,225,378,660,352
  5. Step 5: Solve for x
    x = 451,450,474,585,225,378,660,352/548,604,578,049.45
  6. Step 6: Final answer
    x = 822,906,867,074.18

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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.