Home / 412,738,894.20-619,380,746.36-218,786,511.90

Finding the Fourth Proportional to 412,738,894.20, 619,380,746.36 and 218,786,511.90

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Solution

The fourth proportional to 412,738,894.20, 619,380,746.36 and 218,786,511.90 is: 328,324,165.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,738,894.20 : 619,380,746.36 = 218,786,511.90 : x
  2. Step 2: Convert to fraction form
    412,738,894.20/619,380,746.36 = 218,786,511.90/x
  3. Step 3: Cross multiply
    412,738,894.20x = 619,380,746.36 × 218,786,511.90
  4. Step 4: Simplify right side
    412,738,894.20x = 135,512,153,032,072,496
  5. Step 5: Solve for x
    x = 135,512,153,032,072,496/412,738,894.20
  6. Step 6: Final answer
    x = 328,324,165.56

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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.