Home / 31,242,513,773.95-43,113,935,662.90-18,382,986,659.43

Finding the Fourth Proportional to 31,242,513,773.95, 43,113,935,662.90 and 18,382,986,659.43

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Solution

The fourth proportional to 31,242,513,773.95, 43,113,935,662.90 and 18,382,986,659.43 is: 25,368,090,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,242,513,773.95 : 43,113,935,662.90 = 18,382,986,659.43 : x
  2. Step 2: Convert to fraction form
    31,242,513,773.95/43,113,935,662.90 = 18,382,986,659.43/x
  3. Step 3: Cross multiply
    31,242,513,773.95x = 43,113,935,662.90 × 18,382,986,659.43
  4. Step 4: Simplify right side
    31,242,513,773.95x = 792,562,904,126,540,611,584
  5. Step 5: Solve for x
    x = 792,562,904,126,540,611,584/31,242,513,773.95
  6. Step 6: Final answer
    x = 25,368,090,092.27

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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.