Home / 178,220,137,175.31-267,440,163,789.36-82,588,330,825.54

Finding the Fourth Proportional to 178,220,137,175.31, 267,440,163,789.36 and 82,588,330,825.54

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Solution

The fourth proportional to 178,220,137,175.31, 267,440,163,789.36 and 82,588,330,825.54 is: 123,933,451,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,220,137,175.31 : 267,440,163,789.36 = 82,588,330,825.54 : x
  2. Step 2: Convert to fraction form
    178,220,137,175.31/267,440,163,789.36 = 82,588,330,825.54/x
  3. Step 3: Cross multiply
    178,220,137,175.31x = 267,440,163,789.36 × 82,588,330,825.54
  4. Step 4: Simplify right side
    178,220,137,175.31x = 22,087,436,723,071,194,497,024
  5. Step 5: Solve for x
    x = 22,087,436,723,071,194,497,024/178,220,137,175.31
  6. Step 6: Final answer
    x = 123,933,451,478.29

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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.