Home / 441,558,781.20-609,355,203.82-243,327,369.42

Finding the Fourth Proportional to 441,558,781.20, 609,355,203.82 and 243,327,369.42

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Solution

The fourth proportional to 441,558,781.20, 609,355,203.82 and 243,327,369.42 is: 335,794,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,558,781.20 : 609,355,203.82 = 243,327,369.42 : x
  2. Step 2: Convert to fraction form
    441,558,781.20/609,355,203.82 = 243,327,369.42/x
  3. Step 3: Cross multiply
    441,558,781.20x = 609,355,203.82 × 243,327,369.42
  4. Step 4: Simplify right side
    441,558,781.20x = 148,272,798,787,300,192
  5. Step 5: Solve for x
    x = 148,272,798,787,300,192/441,558,781.20
  6. Step 6: Final answer
    x = 335,794,021.32

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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.