Home / 808,218,004.80-1,212,327,007.20-349,052,980.80

Finding the Fourth Proportional to 808,218,004.80, 1,212,327,007.20 and 349,052,980.80

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Solution

The fourth proportional to 808,218,004.80, 1,212,327,007.20 and 349,052,980.80 is: 523,579,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,218,004.80 : 1,212,327,007.20 = 349,052,980.80 : x
  2. Step 2: Convert to fraction form
    808,218,004.80/1,212,327,007.20 = 349,052,980.80/x
  3. Step 3: Cross multiply
    808,218,004.80x = 1,212,327,007.20 × 349,052,980.80
  4. Step 4: Simplify right side
    808,218,004.80x = 423,166,355,567,503,104
  5. Step 5: Solve for x
    x = 423,166,355,567,503,104/808,218,004.80
  6. Step 6: Final answer
    x = 523,579,471.20

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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.