Home / 511,067,999.80-766,601,999.70-365,949,177.40

Finding the Fourth Proportional to 511,067,999.80, 766,601,999.70 and 365,949,177.40

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Solution

The fourth proportional to 511,067,999.80, 766,601,999.70 and 365,949,177.40 is: 548,923,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,067,999.80 : 766,601,999.70 = 365,949,177.40 : x
  2. Step 2: Convert to fraction form
    511,067,999.80/766,601,999.70 = 365,949,177.40/x
  3. Step 3: Cross multiply
    511,067,999.80x = 766,601,999.70 × 365,949,177.40
  4. Step 4: Simplify right side
    511,067,999.80x = 280,537,371,183,410,048
  5. Step 5: Solve for x
    x = 280,537,371,183,410,048/511,067,999.80
  6. Step 6: Final answer
    x = 548,923,766.10

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1.5x scale

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.