Home / 511,067,261.80-766,600,892.70-365,948,439.40

Finding the Fourth Proportional to 511,067,261.80, 766,600,892.70 and 365,948,439.40

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Solution

The fourth proportional to 511,067,261.80, 766,600,892.70 and 365,948,439.40 is: 548,922,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,067,261.80 : 766,600,892.70 = 365,948,439.40 : x
  2. Step 2: Convert to fraction form
    511,067,261.80/766,600,892.70 = 365,948,439.40/x
  3. Step 3: Cross multiply
    511,067,261.80x = 766,600,892.70 × 365,948,439.40
  4. Step 4: Simplify right side
    511,067,261.80x = 280,536,400,326,211,840
  5. Step 5: Solve for x
    x = 280,536,400,326,211,840/511,067,261.80
  6. Step 6: Final answer
    x = 548,922,659.10

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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.