Home / 31,281,131,658.88-43,167,658,200.96-17,007,959,088.64

Finding the Fourth Proportional to 31,281,131,658.88, 43,167,658,200.96 and 17,007,959,088.64

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Solution

The fourth proportional to 31,281,131,658.88, 43,167,658,200.96 and 17,007,959,088.64 is: 23,470,818,531.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281,131,658.88 : 43,167,658,200.96 = 17,007,959,088.64 : x
  2. Step 2: Convert to fraction form
    31,281,131,658.88/43,167,658,200.96 = 17,007,959,088.64/x
  3. Step 3: Cross multiply
    31,281,131,658.88x = 43,167,658,200.96 × 17,007,959,088.64
  4. Step 4: Simplify right side
    31,281,131,658.88x = 734,193,764,634,322,665,472
  5. Step 5: Solve for x
    x = 734,193,764,634,322,665,472/31,281,131,658.88
  6. Step 6: Final answer
    x = 23,470,818,531.78

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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.