Home / 635,335,804.56-953,004,453.66-198,638,777.64

Finding the Fourth Proportional to 635,335,804.56, 953,004,453.66 and 198,638,777.64

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Solution

The fourth proportional to 635,335,804.56, 953,004,453.66 and 198,638,777.64 is: 297,958,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,335,804.56 : 953,004,453.66 = 198,638,777.64 : x
  2. Step 2: Convert to fraction form
    635,335,804.56/953,004,453.66 = 198,638,777.64/x
  3. Step 3: Cross multiply
    635,335,804.56x = 953,004,453.66 × 198,638,777.64
  4. Step 4: Simplify right side
    635,335,804.56x = 189,303,639,760,498,400
  5. Step 5: Solve for x
    x = 189,303,639,760,498,400/635,335,804.56
  6. Step 6: Final answer
    x = 297,958,399.95

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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.