Home / 352,627,809.70-528,941,714.55-255,378,043.30

Finding the Fourth Proportional to 352,627,809.70, 528,941,714.55 and 255,378,043.30

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Solution

The fourth proportional to 352,627,809.70, 528,941,714.55 and 255,378,043.30 is: 383,067,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,627,809.70 : 528,941,714.55 = 255,378,043.30 : x
  2. Step 2: Convert to fraction form
    352,627,809.70/528,941,714.55 = 255,378,043.30/x
  3. Step 3: Cross multiply
    352,627,809.70x = 528,941,714.55 × 255,378,043.30
  4. Step 4: Simplify right side
    352,627,809.70x = 135,080,100,081,526,144
  5. Step 5: Solve for x
    x = 135,080,100,081,526,144/352,627,809.70
  6. Step 6: Final answer
    x = 383,067,064.95

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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.