Home / 361,115,842.72-498,339,960.72-196,103,368.48

Finding the Fourth Proportional to 361,115,842.72, 498,339,960.72 and 196,103,368.48

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Solution

The fourth proportional to 361,115,842.72, 498,339,960.72 and 196,103,368.48 is: 270,622,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,115,842.72 : 498,339,960.72 = 196,103,368.48 : x
  2. Step 2: Convert to fraction form
    361,115,842.72/498,339,960.72 = 196,103,368.48/x
  3. Step 3: Cross multiply
    361,115,842.72x = 498,339,960.72 × 196,103,368.48
  4. Step 4: Simplify right side
    361,115,842.72x = 97,726,144,945,382,880
  5. Step 5: Solve for x
    x = 97,726,144,945,382,880/361,115,842.72
  6. Step 6: Final answer
    x = 270,622,701.59

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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.