Home / 551,337,768.72-827,003,656.62-318,017,236.32

Finding the Fourth Proportional to 551,337,768.72, 827,003,656.62 and 318,017,236.32

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Solution

The fourth proportional to 551,337,768.72, 827,003,656.62 and 318,017,236.32 is: 477,024,126.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,337,768.72 : 827,003,656.62 = 318,017,236.32 : x
  2. Step 2: Convert to fraction form
    551,337,768.72/827,003,656.62 = 318,017,236.32/x
  3. Step 3: Cross multiply
    551,337,768.72x = 827,003,656.62 × 318,017,236.32
  4. Step 4: Simplify right side
    551,337,768.72x = 263,001,417,304,826,656
  5. Step 5: Solve for x
    x = 263,001,417,304,826,656/551,337,768.72
  6. Step 6: Final answer
    x = 477,024,126.09

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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.