Home / 885,805,083.20-1,328,702,791.53-361,172,126.72

Finding the Fourth Proportional to 885,805,083.20, 1,328,702,791.53 and 361,172,126.72

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Solution

The fourth proportional to 885,805,083.20, 1,328,702,791.53 and 361,172,126.72 is: 541,756,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,805,083.20 : 1,328,702,791.53 = 361,172,126.72 : x
  2. Step 2: Convert to fraction form
    885,805,083.20/1,328,702,791.53 = 361,172,126.72/x
  3. Step 3: Cross multiply
    885,805,083.20x = 1,328,702,791.53 × 361,172,126.72
  4. Step 4: Simplify right side
    885,805,083.20x = 479,890,412,995,690,944
  5. Step 5: Solve for x
    x = 479,890,412,995,690,944/885,805,083.20
  6. Step 6: Final answer
    x = 541,756,219.40

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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.