Home / 381,885,193,359.45-572,827,790,039.18-158,220,808,335.45

Finding the Fourth Proportional to 381,885,193,359.45, 572,827,790,039.18 and 158,220,808,335.45

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Solution

The fourth proportional to 381,885,193,359.45, 572,827,790,039.18 and 158,220,808,335.45 is: 237,331,212,503.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,885,193,359.45 : 572,827,790,039.18 = 158,220,808,335.45 : x
  2. Step 2: Convert to fraction form
    381,885,193,359.45/572,827,790,039.18 = 158,220,808,335.45/x
  3. Step 3: Cross multiply
    381,885,193,359.45x = 572,827,790,039.18 × 158,220,808,335.45
  4. Step 4: Simplify right side
    381,885,193,359.45x = 90,633,275,977,008,511,188,992
  5. Step 5: Solve for x
    x = 90,633,275,977,008,511,188,992/381,885,193,359.45
  6. Step 6: Final answer
    x = 237,331,212,503.18

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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.