Home / 7,687,442,039.63-11,512,541,772.77-5,319,969,003.56

Finding the Fourth Proportional to 7,687,442,039.63, 11,512,541,772.77 and 5,319,969,003.56

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Solution

The fourth proportional to 7,687,442,039.63, 11,512,541,772.77 and 5,319,969,003.56 is: 7,967,066,947.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687,442,039.63 : 11,512,541,772.77 = 5,319,969,003.56 : x
  2. Step 2: Convert to fraction form
    7,687,442,039.63/11,512,541,772.77 = 5,319,969,003.56/x
  3. Step 3: Cross multiply
    7,687,442,039.63x = 11,512,541,772.77 × 5,319,969,003.56
  4. Step 4: Simplify right side
    7,687,442,039.63x = 61,246,365,383,241,932,800
  5. Step 5: Solve for x
    x = 61,246,365,383,241,932,800/7,687,442,039.63
  6. Step 6: Final answer
    x = 7,967,066,947.31

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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.