Home / 300,847,914.29-415,017,326.48-196,487,073.65

Finding the Fourth Proportional to 300,847,914.29, 415,017,326.48 and 196,487,073.65

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Solution

The fourth proportional to 300,847,914.29, 415,017,326.48 and 196,487,073.65 is: 271,052,369.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,847,914.29 : 415,017,326.48 = 196,487,073.65 : x
  2. Step 2: Convert to fraction form
    300,847,914.29/415,017,326.48 = 196,487,073.65/x
  3. Step 3: Cross multiply
    300,847,914.29x = 415,017,326.48 × 196,487,073.65
  4. Step 4: Simplify right side
    300,847,914.29x = 81,545,539,995,263,184
  5. Step 5: Solve for x
    x = 81,545,539,995,263,184/300,847,914.29
  6. Step 6: Final answer
    x = 271,052,369.39

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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.