Home / 393,171,862.47-589,412,326.23-160,198,480.08

Finding the Fourth Proportional to 393,171,862.47, 589,412,326.23 and 160,198,480.08

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Solution

The fourth proportional to 393,171,862.47, 589,412,326.23 and 160,198,480.08 is: 240,156,958.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,171,862.47 : 589,412,326.23 = 160,198,480.08 : x
  2. Step 2: Convert to fraction form
    393,171,862.47/589,412,326.23 = 160,198,480.08/x
  3. Step 3: Cross multiply
    393,171,862.47x = 589,412,326.23 × 160,198,480.08
  4. Step 4: Simplify right side
    393,171,862.47x = 94,422,958,802,463,120
  5. Step 5: Solve for x
    x = 94,422,958,802,463,120/393,171,862.47
  6. Step 6: Final answer
    x = 240,156,958.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.