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Finding the Fourth Proportional to 704,906,596.36, 972,558,964.56 and 422,546,012.56

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Solution

The fourth proportional to 704,906,596.36, 972,558,964.56 and 422,546,012.56 is: 582,986,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,906,596.36 : 972,558,964.56 = 422,546,012.56 : x
  2. Step 2: Convert to fraction form
    704,906,596.36/972,558,964.56 = 422,546,012.56/x
  3. Step 3: Cross multiply
    704,906,596.36x = 972,558,964.56 × 422,546,012.56
  4. Step 4: Simplify right side
    704,906,596.36x = 410,950,912,454,310,336
  5. Step 5: Solve for x
    x = 410,950,912,454,310,336/704,906,596.36
  6. Step 6: Final answer
    x = 582,986,334.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.