Home / 436,469,929.72-654,138,019.32-177,383,650.48

Finding the Fourth Proportional to 436,469,929.72, 654,138,019.32 and 177,383,650.48

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Solution

The fourth proportional to 436,469,929.72, 654,138,019.32 and 177,383,650.48 is: 265,845,094.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,469,929.72 : 654,138,019.32 = 177,383,650.48 : x
  2. Step 2: Convert to fraction form
    436,469,929.72/654,138,019.32 = 177,383,650.48/x
  3. Step 3: Cross multiply
    436,469,929.72x = 654,138,019.32 × 177,383,650.48
  4. Step 4: Simplify right side
    436,469,929.72x = 116,033,389,784,738,368
  5. Step 5: Solve for x
    x = 116,033,389,784,738,368/436,469,929.72
  6. Step 6: Final answer
    x = 265,845,094.66

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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.