Home / 13,198,941,306.66-18,215,017,960.06-7,561,246,750.50

Finding the Fourth Proportional to 13,198,941,306.66, 18,215,017,960.06 and 7,561,246,750.50

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Solution

The fourth proportional to 13,198,941,306.66, 18,215,017,960.06 and 7,561,246,750.50 is: 10,434,794,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198,941,306.66 : 18,215,017,960.06 = 7,561,246,750.50 : x
  2. Step 2: Convert to fraction form
    13,198,941,306.66/18,215,017,960.06 = 7,561,246,750.50/x
  3. Step 3: Cross multiply
    13,198,941,306.66x = 18,215,017,960.06 × 7,561,246,750.50
  4. Step 4: Simplify right side
    13,198,941,306.66x = 137,728,245,360,802,824,192
  5. Step 5: Solve for x
    x = 137,728,245,360,802,824,192/13,198,941,306.66
  6. Step 6: Final answer
    x = 10,434,794,894.60

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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.