Home / 31,217,955,387.94-43,079,663,778.17-17,669,301,653.32

Finding the Fourth Proportional to 31,217,955,387.94, 43,079,663,778.17 and 17,669,301,653.32

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Solution

The fourth proportional to 31,217,955,387.94, 43,079,663,778.17 and 17,669,301,653.32 is: 24,383,005,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,217,955,387.94 : 43,079,663,778.17 = 17,669,301,653.32 : x
  2. Step 2: Convert to fraction form
    31,217,955,387.94/43,079,663,778.17 = 17,669,301,653.32/x
  3. Step 3: Cross multiply
    31,217,955,387.94x = 43,079,663,778.17 × 17,669,301,653.32
  4. Step 4: Simplify right side
    31,217,955,387.94x = 761,187,574,419,914,489,856
  5. Step 5: Solve for x
    x = 761,187,574,419,914,489,856/31,217,955,387.94
  6. Step 6: Final answer
    x = 24,383,005,387.79

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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.