Home / 1,274,190,673,578.40-1,911,587,448,020.90-413,663,179,612.88

Finding the Fourth Proportional to 1,274,190,673,578.40, 1,911,587,448,020.90 and 413,663,179,612.88

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Solution

The fourth proportional to 1,274,190,673,578.40, 1,911,587,448,020.90 and 413,663,179,612.88 is: 620,592,630,485.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,190,673,578.40 : 1,911,587,448,020.90 = 413,663,179,612.88 : x
  2. Step 2: Convert to fraction form
    1,274,190,673,578.40/1,911,587,448,020.90 = 413,663,179,612.88/x
  3. Step 3: Cross multiply
    1,274,190,673,578.40x = 1,911,587,448,020.90 × 413,663,179,612.88
  4. Step 4: Simplify right side
    1,274,190,673,578.40x = 790,753,341,856,396,425,035,776
  5. Step 5: Solve for x
    x = 790,753,341,856,396,425,035,776/1,274,190,673,578.40
  6. Step 6: Final answer
    x = 620,592,630,485.73

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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.