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Finding the Fourth Proportional to 3,989,088,614.80, 5,983,632,922.20 and 3,989,088,614.80

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Solution

The fourth proportional to 3,989,088,614.80, 5,983,632,922.20 and 3,989,088,614.80 is: 5,983,632,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,088,614.80 : 5,983,632,922.20 = 3,989,088,614.80 : x
  2. Step 2: Convert to fraction form
    3,989,088,614.80/5,983,632,922.20 = 3,989,088,614.80/x
  3. Step 3: Cross multiply
    3,989,088,614.80x = 5,983,632,922.20 × 3,989,088,614.80
  4. Step 4: Simplify right side
    3,989,088,614.80x = 23,869,241,965,090,476,032
  5. Step 5: Solve for x
    x = 23,869,241,965,090,476,032/3,989,088,614.80
  6. Step 6: Final answer
    x = 5,983,632,922.20

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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.