Home / 412,202,251.80-618,303,377.70-218,492,007.30

Finding the Fourth Proportional to 412,202,251.80, 618,303,377.70 and 218,492,007.30

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Solution

The fourth proportional to 412,202,251.80, 618,303,377.70 and 218,492,007.30 is: 327,738,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,202,251.80 : 618,303,377.70 = 218,492,007.30 : x
  2. Step 2: Convert to fraction form
    412,202,251.80/618,303,377.70 = 218,492,007.30/x
  3. Step 3: Cross multiply
    412,202,251.80x = 618,303,377.70 × 218,492,007.30
  4. Step 4: Simplify right side
    412,202,251.80x = 135,094,346,114,043,072
  5. Step 5: Solve for x
    x = 135,094,346,114,043,072/412,202,251.80
  6. Step 6: Final answer
    x = 327,738,010.95

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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.