Home / 724,367,906.40-1,086,693,577.20-309,843,926.40

Finding the Fourth Proportional to 724,367,906.40, 1,086,693,577.20 and 309,843,926.40

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Solution

The fourth proportional to 724,367,906.40, 1,086,693,577.20 and 309,843,926.40 is: 464,826,508.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,367,906.40 : 1,086,693,577.20 = 309,843,926.40 : x
  2. Step 2: Convert to fraction form
    724,367,906.40/1,086,693,577.20 = 309,843,926.40/x
  3. Step 3: Cross multiply
    724,367,906.40x = 1,086,693,577.20 × 309,843,926.40
  4. Step 4: Simplify right side
    724,367,906.40x = 336,705,404,753,309,504
  5. Step 5: Solve for x
    x = 336,705,404,753,309,504/724,367,906.40
  6. Step 6: Final answer
    x = 464,826,508.43

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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.