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Finding the Fourth Proportional to 339,978,844.35, 509,968,266.53 and 110,112,897.15

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Solution

The fourth proportional to 339,978,844.35, 509,968,266.53 and 110,112,897.15 is: 165,169,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,978,844.35 : 509,968,266.53 = 110,112,897.15 : x
  2. Step 2: Convert to fraction form
    339,978,844.35/509,968,266.53 = 110,112,897.15/x
  3. Step 3: Cross multiply
    339,978,844.35x = 509,968,266.53 × 110,112,897.15
  4. Step 4: Simplify right side
    339,978,844.35x = 56,154,083,281,631,112
  5. Step 5: Solve for x
    x = 56,154,083,281,631,112/339,978,844.35
  6. Step 6: Final answer
    x = 165,169,345.73

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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.