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Finding the Fourth Proportional to 479,363,400.16, 661,978,364.11 and 453,248,014.21

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Solution

The fourth proportional to 479,363,400.16, 661,978,364.11 and 453,248,014.21 is: 625,914,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,363,400.16 : 661,978,364.11 = 453,248,014.21 : x
  2. Step 2: Convert to fraction form
    479,363,400.16/661,978,364.11 = 453,248,014.21/x
  3. Step 3: Cross multiply
    479,363,400.16x = 661,978,364.11 × 453,248,014.21
  4. Step 4: Simplify right side
    479,363,400.16x = 300,040,378,980,053,760
  5. Step 5: Solve for x
    x = 300,040,378,980,053,760/479,363,400.16
  6. Step 6: Final answer
    x = 625,914,241.43

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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.