Home / 808,218,015.80-1,212,327,023.70-349,052,991.80

Finding the Fourth Proportional to 808,218,015.80, 1,212,327,023.70 and 349,052,991.80

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Solution

The fourth proportional to 808,218,015.80, 1,212,327,023.70 and 349,052,991.80 is: 523,579,487.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,218,015.80 : 1,212,327,023.70 = 349,052,991.80 : x
  2. Step 2: Convert to fraction form
    808,218,015.80/1,212,327,023.70 = 349,052,991.80/x
  3. Step 3: Cross multiply
    808,218,015.80x = 1,212,327,023.70 × 349,052,991.80
  4. Step 4: Simplify right side
    808,218,015.80x = 423,166,374,662,474,560
  5. Step 5: Solve for x
    x = 423,166,374,662,474,560/808,218,015.80
  6. Step 6: Final answer
    x = 523,579,487.70

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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.