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Finding the Fourth Proportional to 590,978,423.10, 886,467,634.65 and 397,486,659.90

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Solution

The fourth proportional to 590,978,423.10, 886,467,634.65 and 397,486,659.90 is: 596,229,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,978,423.10 : 886,467,634.65 = 397,486,659.90 : x
  2. Step 2: Convert to fraction form
    590,978,423.10/886,467,634.65 = 397,486,659.90/x
  3. Step 3: Cross multiply
    590,978,423.10x = 886,467,634.65 × 397,486,659.90
  4. Step 4: Simplify right side
    590,978,423.10x = 352,359,059,206,481,984
  5. Step 5: Solve for x
    x = 352,359,059,206,481,984/590,978,423.10
  6. Step 6: Final answer
    x = 596,229,989.85

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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.