Home / 419,906,113.20-629,859,169.80-236,240,103.60

Finding the Fourth Proportional to 419,906,113.20, 629,859,169.80 and 236,240,103.60

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Solution

The fourth proportional to 419,906,113.20, 629,859,169.80 and 236,240,103.60 is: 354,360,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,906,113.20 : 629,859,169.80 = 236,240,103.60 : x
  2. Step 2: Convert to fraction form
    419,906,113.20/629,859,169.80 = 236,240,103.60/x
  3. Step 3: Cross multiply
    419,906,113.20x = 629,859,169.80 × 236,240,103.60
  4. Step 4: Simplify right side
    419,906,113.20x = 148,797,995,526,961,984
  5. Step 5: Solve for x
    x = 148,797,995,526,961,984/419,906,113.20
  6. Step 6: Final answer
    x = 354,360,155.40

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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.