Home / 789,981,791.10-1,184,976,623.25-323,897,798.94

Finding the Fourth Proportional to 789,981,791.10, 1,184,976,623.25 and 323,897,798.94

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Solution

The fourth proportional to 789,981,791.10, 1,184,976,623.25 and 323,897,798.94 is: 485,848,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,981,791.10 : 1,184,976,623.25 = 323,897,798.94 : x
  2. Step 2: Convert to fraction form
    789,981,791.10/1,184,976,623.25 = 323,897,798.94/x
  3. Step 3: Cross multiply
    789,981,791.10x = 1,184,976,623.25 × 323,897,798.94
  4. Step 4: Simplify right side
    789,981,791.10x = 383,811,320,066,028,608
  5. Step 5: Solve for x
    x = 383,811,320,066,028,608/789,981,791.10
  6. Step 6: Final answer
    x = 485,848,312.44

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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.