Home / 265,730,665.80-398,595,998.70-196,855,912.20

Finding the Fourth Proportional to 265,730,665.80, 398,595,998.70 and 196,855,912.20

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Solution

The fourth proportional to 265,730,665.80, 398,595,998.70 and 196,855,912.20 is: 295,283,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,730,665.80 : 398,595,998.70 = 196,855,912.20 : x
  2. Step 2: Convert to fraction form
    265,730,665.80/398,595,998.70 = 196,855,912.20/x
  3. Step 3: Cross multiply
    265,730,665.80x = 398,595,998.70 × 196,855,912.20
  4. Step 4: Simplify right side
    265,730,665.80x = 78,465,978,923,358,512
  5. Step 5: Solve for x
    x = 78,465,978,923,358,512/265,730,665.80
  6. Step 6: Final answer
    x = 295,283,868.30

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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.