Home / 511,150,318.40-766,202,930.40-251,966,907.20

Finding the Fourth Proportional to 511,150,318.40, 766,202,930.40 and 251,966,907.20

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Solution

The fourth proportional to 511,150,318.40, 766,202,930.40 and 251,966,907.20 is: 377,692,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,150,318.40 : 766,202,930.40 = 251,966,907.20 : x
  2. Step 2: Convert to fraction form
    511,150,318.40/766,202,930.40 = 251,966,907.20/x
  3. Step 3: Cross multiply
    511,150,318.40x = 766,202,930.40 × 251,966,907.20
  4. Step 4: Simplify right side
    511,150,318.40x = 193,057,782,660,464,832
  5. Step 5: Solve for x
    x = 193,057,782,660,464,832/511,150,318.40
  6. Step 6: Final answer
    x = 377,692,775.90

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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.