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Finding the Fourth Proportional to 397,223,251.62, 548,243,978.39 and 263,024,468.34

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Solution

The fourth proportional to 397,223,251.62, 548,243,978.39 and 263,024,468.34 is: 363,024,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,223,251.62 : 548,243,978.39 = 263,024,468.34 : x
  2. Step 2: Convert to fraction form
    397,223,251.62/548,243,978.39 = 263,024,468.34/x
  3. Step 3: Cross multiply
    397,223,251.62x = 548,243,978.39 × 263,024,468.34
  4. Step 4: Simplify right side
    397,223,251.62x = 144,201,580,935,321,088
  5. Step 5: Solve for x
    x = 144,201,580,935,321,088/397,223,251.62
  6. Step 6: Final answer
    x = 363,024,018.22

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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.