Home / 810,213,744.16-1,215,320,630.82-196,793,836.48

Finding the Fourth Proportional to 810,213,744.16, 1,215,320,630.82 and 196,793,836.48

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Solution

The fourth proportional to 810,213,744.16, 1,215,320,630.82 and 196,793,836.48 is: 295,190,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,213,744.16 : 1,215,320,630.82 = 196,793,836.48 : x
  2. Step 2: Convert to fraction form
    810,213,744.16/1,215,320,630.82 = 196,793,836.48/x
  3. Step 3: Cross multiply
    810,213,744.16x = 1,215,320,630.82 × 196,793,836.48
  4. Step 4: Simplify right side
    810,213,744.16x = 239,167,609,492,361,504
  5. Step 5: Solve for x
    x = 239,167,609,492,361,504/810,213,744.16
  6. Step 6: Final answer
    x = 295,190,758.26

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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.