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Finding the Fourth Proportional to 536,652,054.20, 804,978,081.30 and 173,146,410.20

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Solution

The fourth proportional to 536,652,054.20, 804,978,081.30 and 173,146,410.20 is: 259,719,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,652,054.20 : 804,978,081.30 = 173,146,410.20 : x
  2. Step 2: Convert to fraction form
    536,652,054.20/804,978,081.30 = 173,146,410.20/x
  3. Step 3: Cross multiply
    536,652,054.20x = 804,978,081.30 × 173,146,410.20
  4. Step 4: Simplify right side
    536,652,054.20x = 139,379,065,066,778,736
  5. Step 5: Solve for x
    x = 139,379,065,066,778,736/536,652,054.20
  6. Step 6: Final answer
    x = 259,719,615.30

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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.