Home / 31,456,969,935.60-47,185,131,724.20-18,183,782,558.64

Finding the Fourth Proportional to 31,456,969,935.60, 47,185,131,724.20 and 18,183,782,558.64

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Solution

The fourth proportional to 31,456,969,935.60, 47,185,131,724.20 and 18,183,782,558.64 is: 27,275,487,023.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,456,969,935.60 : 47,185,131,724.20 = 18,183,782,558.64 : x
  2. Step 2: Convert to fraction form
    31,456,969,935.60/47,185,131,724.20 = 18,183,782,558.64/x
  3. Step 3: Cross multiply
    31,456,969,935.60x = 47,185,131,724.20 × 18,183,782,558.64
  4. Step 4: Simplify right side
    31,456,969,935.60x = 858,004,175,273,638,887,424
  5. Step 5: Solve for x
    x = 858,004,175,273,638,887,424/31,456,969,935.60
  6. Step 6: Final answer
    x = 27,275,487,023.39

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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.