Home / 344,925,009.80-517,387,514.70-331,320,120.20

Finding the Fourth Proportional to 344,925,009.80, 517,387,514.70 and 331,320,120.20

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Solution

The fourth proportional to 344,925,009.80, 517,387,514.70 and 331,320,120.20 is: 496,980,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,925,009.80 : 517,387,514.70 = 331,320,120.20 : x
  2. Step 2: Convert to fraction form
    344,925,009.80/517,387,514.70 = 331,320,120.20/x
  3. Step 3: Cross multiply
    344,925,009.80x = 517,387,514.70 × 331,320,120.20
  4. Step 4: Simplify right side
    344,925,009.80x = 171,420,893,560,383,264
  5. Step 5: Solve for x
    x = 171,420,893,560,383,264/344,925,009.80
  6. Step 6: Final answer
    x = 496,980,180.30

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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.