Home / 331,910,556.66-497,620,392.50-200,723,667.03

Finding the Fourth Proportional to 331,910,556.66, 497,620,392.50 and 200,723,667.03

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Solution

The fourth proportional to 331,910,556.66, 497,620,392.50 and 200,723,667.03 is: 300,937,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,910,556.66 : 497,620,392.50 = 200,723,667.03 : x
  2. Step 2: Convert to fraction form
    331,910,556.66/497,620,392.50 = 200,723,667.03/x
  3. Step 3: Cross multiply
    331,910,556.66x = 497,620,392.50 × 200,723,667.03
  4. Step 4: Simplify right side
    331,910,556.66x = 99,884,189,969,909,760
  5. Step 5: Solve for x
    x = 99,884,189,969,909,760/331,910,556.66
  6. Step 6: Final answer
    x = 300,937,068.64

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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.