Home / 828,840,493.75-1,242,647,826.51-501,243,176.35

Finding the Fourth Proportional to 828,840,493.75, 1,242,647,826.51 and 501,243,176.35

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Solution

The fourth proportional to 828,840,493.75, 1,242,647,826.51 and 501,243,176.35 is: 751,494,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,840,493.75 : 1,242,647,826.51 = 501,243,176.35 : x
  2. Step 2: Convert to fraction form
    828,840,493.75/1,242,647,826.51 = 501,243,176.35/x
  3. Step 3: Cross multiply
    828,840,493.75x = 1,242,647,826.51 × 501,243,176.35
  4. Step 4: Simplify right side
    828,840,493.75x = 622,868,743,644,296,192
  5. Step 5: Solve for x
    x = 622,868,743,644,296,192/828,840,493.75
  6. Step 6: Final answer
    x = 751,494,103.32

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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.