Home / 31,747,406,022.28-43,808,572,689.78-18,382,301,201.80

Finding the Fourth Proportional to 31,747,406,022.28, 43,808,572,689.78 and 18,382,301,201.80

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Solution

The fourth proportional to 31,747,406,022.28, 43,808,572,689.78 and 18,382,301,201.80 is: 25,365,926,836.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,747,406,022.28 : 43,808,572,689.78 = 18,382,301,201.80 : x
  2. Step 2: Convert to fraction form
    31,747,406,022.28/43,808,572,689.78 = 18,382,301,201.80/x
  3. Step 3: Cross multiply
    31,747,406,022.28x = 43,808,572,689.78 × 18,382,301,201.80
  4. Step 4: Simplify right side
    31,747,406,022.28x = 805,302,378,404,485,529,600
  5. Step 5: Solve for x
    x = 805,302,378,404,485,529,600/31,747,406,022.28
  6. Step 6: Final answer
    x = 25,365,926,836.33

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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.