Home / 324,378,862.11-447,642,844.07-175,699,983.20

Finding the Fourth Proportional to 324,378,862.11, 447,642,844.07 and 175,699,983.20

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Solution

The fourth proportional to 324,378,862.11, 447,642,844.07 and 175,699,983.20 is: 242,465,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,378,862.11 : 447,642,844.07 = 175,699,983.20 : x
  2. Step 2: Convert to fraction form
    324,378,862.11/447,642,844.07 = 175,699,983.20/x
  3. Step 3: Cross multiply
    324,378,862.11x = 447,642,844.07 × 175,699,983.20
  4. Step 4: Simplify right side
    324,378,862.11x = 78,650,840,179,582,496
  5. Step 5: Solve for x
    x = 78,650,840,179,582,496/324,378,862.11
  6. Step 6: Final answer
    x = 242,465,984.58

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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.