Home / 439,824,410.46-659,416,744.17-206,534,910.65

Finding the Fourth Proportional to 439,824,410.46, 659,416,744.17 and 206,534,910.65

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Solution

The fourth proportional to 439,824,410.46, 659,416,744.17 and 206,534,910.65 is: 309,652,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,824,410.46 : 659,416,744.17 = 206,534,910.65 : x
  2. Step 2: Convert to fraction form
    439,824,410.46/659,416,744.17 = 206,534,910.65/x
  3. Step 3: Cross multiply
    439,824,410.46x = 659,416,744.17 × 206,534,910.65
  4. Step 4: Simplify right side
    439,824,410.46x = 136,192,578,334,967,776
  5. Step 5: Solve for x
    x = 136,192,578,334,967,776/439,824,410.46
  6. Step 6: Final answer
    x = 309,652,159.13

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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.