Home / 808,525,228.20-1,212,787,958.70-195,109,456.20

Finding the Fourth Proportional to 808,525,228.20, 1,212,787,958.70 and 195,109,456.20

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Solution

The fourth proportional to 808,525,228.20, 1,212,787,958.70 and 195,109,456.20 is: 292,664,212.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,525,228.20 : 1,212,787,958.70 = 195,109,456.20 : x
  2. Step 2: Convert to fraction form
    808,525,228.20/1,212,787,958.70 = 195,109,456.20/x
  3. Step 3: Cross multiply
    808,525,228.20x = 1,212,787,958.70 × 195,109,456.20
  4. Step 4: Simplify right side
    808,525,228.20x = 236,626,399,107,865,056
  5. Step 5: Solve for x
    x = 236,626,399,107,865,056/808,525,228.20
  6. Step 6: Final answer
    x = 292,664,212.39

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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.