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Finding the Fourth Proportional to 548,604,577,947.45, 822,906,866,921.19 and 548,604,577,947.45

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Solution

The fourth proportional to 548,604,577,947.45, 822,906,866,921.19 and 548,604,577,947.45 is: 822,906,866,921.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,604,577,947.45 : 822,906,866,921.19 = 548,604,577,947.45 : x
  2. Step 2: Convert to fraction form
    548,604,577,947.45/822,906,866,921.19 = 548,604,577,947.45/x
  3. Step 3: Cross multiply
    548,604,577,947.45x = 822,906,866,921.19 × 548,604,577,947.45
  4. Step 4: Simplify right side
    548,604,577,947.45x = 451,450,474,417,357,789,855,744
  5. Step 5: Solve for x
    x = 451,450,474,417,357,789,855,744/548,604,577,947.45
  6. Step 6: Final answer
    x = 822,906,866,921.19

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Double scale
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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.