Home / 228,826,646.40-343,239,969.60-203,744,380.80

Finding the Fourth Proportional to 228,826,646.40, 343,239,969.60 and 203,744,380.80

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Solution

The fourth proportional to 228,826,646.40, 343,239,969.60 and 203,744,380.80 is: 305,616,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,826,646.40 : 343,239,969.60 = 203,744,380.80 : x
  2. Step 2: Convert to fraction form
    228,826,646.40/343,239,969.60 = 203,744,380.80/x
  3. Step 3: Cross multiply
    228,826,646.40x = 343,239,969.60 × 203,744,380.80
  4. Step 4: Simplify right side
    228,826,646.40x = 69,933,215,071,962,832
  5. Step 5: Solve for x
    x = 69,933,215,071,962,832/228,826,646.40
  6. Step 6: Final answer
    x = 305,616,571.20

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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.