Home / 331,910,567.94-497,620,409.45-200,723,678.30

Finding the Fourth Proportional to 331,910,567.94, 497,620,409.45 and 200,723,678.30

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Solution

The fourth proportional to 331,910,567.94, 497,620,409.45 and 200,723,678.30 is: 300,937,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,910,567.94 : 497,620,409.45 = 200,723,678.30 : x
  2. Step 2: Convert to fraction form
    331,910,567.94/497,620,409.45 = 200,723,678.30/x
  3. Step 3: Cross multiply
    331,910,567.94x = 497,620,409.45 × 200,723,678.30
  4. Step 4: Simplify right side
    331,910,567.94x = 99,884,198,978,464,352
  5. Step 5: Solve for x
    x = 99,884,198,978,464,352/331,910,567.94
  6. Step 6: Final answer
    x = 300,937,085.55

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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.