Home / 511,163,715.41-765,172,970.54-333,518,343.18

Finding the Fourth Proportional to 511,163,715.41, 765,172,970.54 and 333,518,343.18

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Solution

The fourth proportional to 511,163,715.41, 765,172,970.54 and 333,518,343.18 is: 499,251,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,163,715.41 : 765,172,970.54 = 333,518,343.18 : x
  2. Step 2: Convert to fraction form
    511,163,715.41/765,172,970.54 = 333,518,343.18/x
  3. Step 3: Cross multiply
    511,163,715.41x = 765,172,970.54 × 333,518,343.18
  4. Step 4: Simplify right side
    511,163,715.41x = 255,199,221,380,619,744
  5. Step 5: Solve for x
    x = 255,199,221,380,619,744/511,163,715.41
  6. Step 6: Final answer
    x = 499,251,440.76

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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.