Home / 439,824,394.92-659,416,720.94-206,534,895.11

Finding the Fourth Proportional to 439,824,394.92, 659,416,720.94 and 206,534,895.11

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Solution

The fourth proportional to 439,824,394.92, 659,416,720.94 and 206,534,895.11 is: 309,652,135.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,824,394.92 : 659,416,720.94 = 206,534,895.11 : x
  2. Step 2: Convert to fraction form
    439,824,394.92/659,416,720.94 = 206,534,895.11/x
  3. Step 3: Cross multiply
    439,824,394.92x = 659,416,720.94 × 206,534,895.11
  4. Step 4: Simplify right side
    439,824,394.92x = 136,192,563,288,793,264
  5. Step 5: Solve for x
    x = 136,192,563,288,793,264/439,824,394.92
  6. Step 6: Final answer
    x = 309,652,135.86

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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.