Home / 31,281,131,660.88-43,167,658,203.72-17,007,959,090.64

Finding the Fourth Proportional to 31,281,131,660.88, 43,167,658,203.72 and 17,007,959,090.64

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Solution

The fourth proportional to 31,281,131,660.88, 43,167,658,203.72 and 17,007,959,090.64 is: 23,470,818,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281,131,660.88 : 43,167,658,203.72 = 17,007,959,090.64 : x
  2. Step 2: Convert to fraction form
    31,281,131,660.88/43,167,658,203.72 = 17,007,959,090.64/x
  3. Step 3: Cross multiply
    31,281,131,660.88x = 43,167,658,203.72 × 17,007,959,090.64
  4. Step 4: Simplify right side
    31,281,131,660.88x = 734,193,764,767,599,951,872
  5. Step 5: Solve for x
    x = 734,193,764,767,599,951,872/31,281,131,660.88
  6. Step 6: Final answer
    x = 23,470,818,534.54

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1.5x scale

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.