Home / 1,274,190,673,586.20-1,911,587,448,032.70-413,663,179,620.78

Finding the Fourth Proportional to 1,274,190,673,586.20, 1,911,587,448,032.70 and 413,663,179,620.78

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Solution

The fourth proportional to 1,274,190,673,586.20, 1,911,587,448,032.70 and 413,663,179,620.78 is: 620,592,630,497.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,190,673,586.20 : 1,911,587,448,032.70 = 413,663,179,620.78 : x
  2. Step 2: Convert to fraction form
    1,274,190,673,586.20/1,911,587,448,032.70 = 413,663,179,620.78/x
  3. Step 3: Cross multiply
    1,274,190,673,586.20x = 1,911,587,448,032.70 × 413,663,179,620.78
  4. Step 4: Simplify right side
    1,274,190,673,586.20x = 790,753,341,876,379,297,251,328
  5. Step 5: Solve for x
    x = 790,753,341,876,379,297,251,328/1,274,190,673,586.20
  6. Step 6: Final answer
    x = 620,592,630,497.61

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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.