Home / 551,628,481.24-827,563,794.18-163,481,733.28

Finding the Fourth Proportional to 551,628,481.24, 827,563,794.18 and 163,481,733.28

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Solution

The fourth proportional to 551,628,481.24, 827,563,794.18 and 163,481,733.28 is: 245,258,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,628,481.24 : 827,563,794.18 = 163,481,733.28 : x
  2. Step 2: Convert to fraction form
    551,628,481.24/827,563,794.18 = 163,481,733.28/x
  3. Step 3: Cross multiply
    551,628,481.24x = 827,563,794.18 × 163,481,733.28
  4. Step 4: Simplify right side
    551,628,481.24x = 135,291,563,472,319,568
  5. Step 5: Solve for x
    x = 135,291,563,472,319,568/551,628,481.24
  6. Step 6: Final answer
    x = 245,258,481.16

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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.