Home / 418,797,004.05-628,195,506.08-382,517,298.45

Finding the Fourth Proportional to 418,797,004.05, 628,195,506.08 and 382,517,298.45

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Solution

The fourth proportional to 418,797,004.05, 628,195,506.08 and 382,517,298.45 is: 573,775,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,797,004.05 : 628,195,506.08 = 382,517,298.45 : x
  2. Step 2: Convert to fraction form
    418,797,004.05/628,195,506.08 = 382,517,298.45/x
  3. Step 3: Cross multiply
    418,797,004.05x = 628,195,506.08 × 382,517,298.45
  4. Step 4: Simplify right side
    418,797,004.05x = 240,295,647,882,239,584
  5. Step 5: Solve for x
    x = 240,295,647,882,239,584/418,797,004.05
  6. Step 6: Final answer
    x = 573,775,947.68

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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.