Home / 381,885,192,237.20-572,827,788,355.80-158,220,807,213.20

Finding the Fourth Proportional to 381,885,192,237.20, 572,827,788,355.80 and 158,220,807,213.20

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Solution

The fourth proportional to 381,885,192,237.20, 572,827,788,355.80 and 158,220,807,213.20 is: 237,331,210,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,885,192,237.20 : 572,827,788,355.80 = 158,220,807,213.20 : x
  2. Step 2: Convert to fraction form
    381,885,192,237.20/572,827,788,355.80 = 158,220,807,213.20/x
  3. Step 3: Cross multiply
    381,885,192,237.20x = 572,827,788,355.80 × 158,220,807,213.20
  4. Step 4: Simplify right side
    381,885,192,237.20x = 90,633,275,067,806,783,635,456
  5. Step 5: Solve for x
    x = 90,633,275,067,806,783,635,456/381,885,192,237.20
  6. Step 6: Final answer
    x = 237,331,210,819.80

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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.