Home / 178,220,136,965.40-267,440,163,472.88-82,588,330,615.60

Finding the Fourth Proportional to 178,220,136,965.40, 267,440,163,472.88 and 82,588,330,615.60

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Solution

The fourth proportional to 178,220,136,965.40, 267,440,163,472.88 and 82,588,330,615.60 is: 123,933,451,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,220,136,965.40 : 267,440,163,472.88 = 82,588,330,615.60 : x
  2. Step 2: Convert to fraction form
    178,220,136,965.40/267,440,163,472.88 = 82,588,330,615.60/x
  3. Step 3: Cross multiply
    178,220,136,965.40x = 267,440,163,472.88 × 82,588,330,615.60
  4. Step 4: Simplify right side
    178,220,136,965.40x = 22,087,436,640,788,324,286,464
  5. Step 5: Solve for x
    x = 22,087,436,640,788,324,286,464/178,220,136,965.40
  6. Step 6: Final answer
    x = 123,933,451,162.57

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1.5x scale

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.