Home / 31,281,131,661.88-43,167,658,205.10-17,007,959,091.64

Finding the Fourth Proportional to 31,281,131,661.88, 43,167,658,205.10 and 17,007,959,091.64

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Solution

The fourth proportional to 31,281,131,661.88, 43,167,658,205.10 and 17,007,959,091.64 is: 23,470,818,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281,131,661.88 : 43,167,658,205.10 = 17,007,959,091.64 : x
  2. Step 2: Convert to fraction form
    31,281,131,661.88/43,167,658,205.10 = 17,007,959,091.64/x
  3. Step 3: Cross multiply
    31,281,131,661.88x = 43,167,658,205.10 × 17,007,959,091.64
  4. Step 4: Simplify right side
    31,281,131,661.88x = 734,193,764,834,238,529,536
  5. Step 5: Solve for x
    x = 734,193,764,834,238,529,536/31,281,131,661.88
  6. Step 6: Final answer
    x = 23,470,818,535.92

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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.