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Finding the Fourth Proportional to 339,978,944.10, 509,968,416.15 and 110,112,996.90

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Solution

The fourth proportional to 339,978,944.10, 509,968,416.15 and 110,112,996.90 is: 165,169,495.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,978,944.10 : 509,968,416.15 = 110,112,996.90 : x
  2. Step 2: Convert to fraction form
    339,978,944.10/509,968,416.15 = 110,112,996.90/x
  3. Step 3: Cross multiply
    339,978,944.10x = 509,968,416.15 × 110,112,996.90
  4. Step 4: Simplify right side
    339,978,944.10x = 56,154,150,626,622,864
  5. Step 5: Solve for x
    x = 56,154,150,626,622,864/339,978,944.10
  6. Step 6: Final answer
    x = 165,169,495.35

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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.