Home / 511,163,714.41-765,172,969.05-333,518,342.18

Finding the Fourth Proportional to 511,163,714.41, 765,172,969.05 and 333,518,342.18

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Solution

The fourth proportional to 511,163,714.41, 765,172,969.05 and 333,518,342.18 is: 499,251,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,163,714.41 : 765,172,969.05 = 333,518,342.18 : x
  2. Step 2: Convert to fraction form
    511,163,714.41/765,172,969.05 = 333,518,342.18/x
  3. Step 3: Cross multiply
    511,163,714.41x = 765,172,969.05 × 333,518,342.18
  4. Step 4: Simplify right side
    511,163,714.41x = 255,199,220,120,369,184
  5. Step 5: Solve for x
    x = 255,199,220,120,369,184/511,163,714.41
  6. Step 6: Final answer
    x = 499,251,439.27

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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.