Home / 377,327,796.03-520,724,771.04-207,800,109.96

Finding the Fourth Proportional to 377,327,796.03, 520,724,771.04 and 207,800,109.96

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Solution

The fourth proportional to 377,327,796.03, 520,724,771.04 and 207,800,109.96 is: 286,770,987.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,327,796.03 : 520,724,771.04 = 207,800,109.96 : x
  2. Step 2: Convert to fraction form
    377,327,796.03/520,724,771.04 = 207,800,109.96/x
  3. Step 3: Cross multiply
    377,327,796.03x = 520,724,771.04 × 207,800,109.96
  4. Step 4: Simplify right side
    377,327,796.03x = 108,206,664,681,007,840
  5. Step 5: Solve for x
    x = 108,206,664,681,007,840/377,327,796.03
  6. Step 6: Final answer
    x = 286,770,987.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.