Home / 398,601,215.10-597,901,822.65-367,033,619.70

Finding the Fourth Proportional to 398,601,215.10, 597,901,822.65 and 367,033,619.70

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Solution

The fourth proportional to 398,601,215.10, 597,901,822.65 and 367,033,619.70 is: 550,550,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,601,215.10 : 597,901,822.65 = 367,033,619.70 : x
  2. Step 2: Convert to fraction form
    398,601,215.10/597,901,822.65 = 367,033,619.70/x
  3. Step 3: Cross multiply
    398,601,215.10x = 597,901,822.65 × 367,033,619.70
  4. Step 4: Simplify right side
    398,601,215.10x = 219,450,070,192,456,928
  5. Step 5: Solve for x
    x = 219,450,070,192,456,928/398,601,215.10
  6. Step 6: Final answer
    x = 550,550,429.55

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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.