Home / 904,608,010.20-1,356,912,015.30-322,998,979.80

Finding the Fourth Proportional to 904,608,010.20, 1,356,912,015.30 and 322,998,979.80

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Solution

The fourth proportional to 904,608,010.20, 1,356,912,015.30 and 322,998,979.80 is: 484,498,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,608,010.20 : 1,356,912,015.30 = 322,998,979.80 : x
  2. Step 2: Convert to fraction form
    904,608,010.20/1,356,912,015.30 = 322,998,979.80/x
  3. Step 3: Cross multiply
    904,608,010.20x = 1,356,912,015.30 × 322,998,979.80
  4. Step 4: Simplify right side
    904,608,010.20x = 438,281,196,620,262,016
  5. Step 5: Solve for x
    x = 438,281,196,620,262,016/904,608,010.20
  6. Step 6: Final answer
    x = 484,498,469.70

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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.