Home / 7,987,322,908.80-11,980,077,370.56-3,079,585,733.76

Finding the Fourth Proportional to 7,987,322,908.80, 11,980,077,370.56 and 3,079,585,733.76

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Solution

The fourth proportional to 7,987,322,908.80, 11,980,077,370.56 and 3,079,585,733.76 is: 4,619,028,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,322,908.80 : 11,980,077,370.56 = 3,079,585,733.76 : x
  2. Step 2: Convert to fraction form
    7,987,322,908.80/11,980,077,370.56 = 3,079,585,733.76/x
  3. Step 3: Cross multiply
    7,987,322,908.80x = 11,980,077,370.56 × 3,079,585,733.76
  4. Step 4: Simplify right side
    7,987,322,908.80x = 36,893,675,359,717,588,992
  5. Step 5: Solve for x
    x = 36,893,675,359,717,588,992/7,987,322,908.80
  6. Step 6: Final answer
    x = 4,619,028,901.29

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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.