Home / 511,067,260.80-766,600,891.20-365,948,438.40

Finding the Fourth Proportional to 511,067,260.80, 766,600,891.20 and 365,948,438.40

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Solution

The fourth proportional to 511,067,260.80, 766,600,891.20 and 365,948,438.40 is: 548,922,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,067,260.80 : 766,600,891.20 = 365,948,438.40 : x
  2. Step 2: Convert to fraction form
    511,067,260.80/766,600,891.20 = 365,948,438.40/x
  3. Step 3: Cross multiply
    511,067,260.80x = 766,600,891.20 × 365,948,438.40
  4. Step 4: Simplify right side
    511,067,260.80x = 280,536,399,010,688,288
  5. Step 5: Solve for x
    x = 280,536,399,010,688,288/511,067,260.80
  6. Step 6: Final answer
    x = 548,922,657.60

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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.