Home / 381,885,193,659.70-572,827,790,489.55-158,220,808,635.70

Finding the Fourth Proportional to 381,885,193,659.70, 572,827,790,489.55 and 158,220,808,635.70

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Solution

The fourth proportional to 381,885,193,659.70, 572,827,790,489.55 and 158,220,808,635.70 is: 237,331,212,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,885,193,659.70 : 572,827,790,489.55 = 158,220,808,635.70 : x
  2. Step 2: Convert to fraction form
    381,885,193,659.70/572,827,790,489.55 = 158,220,808,635.70/x
  3. Step 3: Cross multiply
    381,885,193,659.70x = 572,827,790,489.55 × 158,220,808,635.70
  4. Step 4: Simplify right side
    381,885,193,659.70x = 90,633,276,220,257,960,198,144
  5. Step 5: Solve for x
    x = 90,633,276,220,257,960,198,144/381,885,193,659.70
  6. Step 6: Final answer
    x = 237,331,212,953.55

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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.