Home / 209,952,440.30-314,928,660.45-196,515,512.30

Finding the Fourth Proportional to 209,952,440.30, 314,928,660.45 and 196,515,512.30

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Solution

The fourth proportional to 209,952,440.30, 314,928,660.45 and 196,515,512.30 is: 294,773,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,440.30 : 314,928,660.45 = 196,515,512.30 : x
  2. Step 2: Convert to fraction form
    209,952,440.30/314,928,660.45 = 196,515,512.30/x
  3. Step 3: Cross multiply
    209,952,440.30x = 314,928,660.45 × 196,515,512.30
  4. Step 4: Simplify right side
    209,952,440.30x = 61,888,367,046,284,496
  5. Step 5: Solve for x
    x = 61,888,367,046,284,496/209,952,440.30
  6. Step 6: Final answer
    x = 294,773,268.45

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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.