Home / 511,163,716.90-765,172,972.79-333,518,344.68

Finding the Fourth Proportional to 511,163,716.90, 765,172,972.79 and 333,518,344.68

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Solution

The fourth proportional to 511,163,716.90, 765,172,972.79 and 333,518,344.68 is: 499,251,443.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,163,716.90 : 765,172,972.79 = 333,518,344.68 : x
  2. Step 2: Convert to fraction form
    511,163,716.90/765,172,972.79 = 333,518,344.68/x
  3. Step 3: Cross multiply
    511,163,716.90x = 765,172,972.79 × 333,518,344.68
  4. Step 4: Simplify right side
    511,163,716.90x = 255,199,223,278,795,488
  5. Step 5: Solve for x
    x = 255,199,223,278,795,488/511,163,716.90
  6. Step 6: Final answer
    x = 499,251,443.01

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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.