Home / 331,629,408.40-497,444,112.60-104,665,133.20

Finding the Fourth Proportional to 331,629,408.40, 497,444,112.60 and 104,665,133.20

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Solution

The fourth proportional to 331,629,408.40, 497,444,112.60 and 104,665,133.20 is: 156,997,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,629,408.40 : 497,444,112.60 = 104,665,133.20 : x
  2. Step 2: Convert to fraction form
    331,629,408.40/497,444,112.60 = 104,665,133.20/x
  3. Step 3: Cross multiply
    331,629,408.40x = 497,444,112.60 × 104,665,133.20
  4. Step 4: Simplify right side
    331,629,408.40x = 52,065,054,304,834,800
  5. Step 5: Solve for x
    x = 52,065,054,304,834,800/331,629,408.40
  6. Step 6: Final answer
    x = 156,997,699.80

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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.