Home / 958,321,383.52-1,322,483,508.48-518,288,235.52

Finding the Fourth Proportional to 958,321,383.52, 1,322,483,508.48 and 518,288,235.52

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Solution

The fourth proportional to 958,321,383.52, 1,322,483,508.48 and 518,288,235.52 is: 715,237,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,321,383.52 : 1,322,483,508.48 = 518,288,235.52 : x
  2. Step 2: Convert to fraction form
    958,321,383.52/1,322,483,508.48 = 518,288,235.52/x
  3. Step 3: Cross multiply
    958,321,383.52x = 1,322,483,508.48 × 518,288,235.52
  4. Step 4: Simplify right side
    958,321,383.52x = 685,427,644,114,398,080
  5. Step 5: Solve for x
    x = 685,427,644,114,398,080/958,321,383.52
  6. Step 6: Final answer
    x = 715,237,764.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.