Home / 272,097,791,998.80-408,146,687,998.20-166,306,170,469.20

Finding the Fourth Proportional to 272,097,791,998.80, 408,146,687,998.20 and 166,306,170,469.20

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Solution

The fourth proportional to 272,097,791,998.80, 408,146,687,998.20 and 166,306,170,469.20 is: 249,459,255,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,097,791,998.80 : 408,146,687,998.20 = 166,306,170,469.20 : x
  2. Step 2: Convert to fraction form
    272,097,791,998.80/408,146,687,998.20 = 166,306,170,469.20/x
  3. Step 3: Cross multiply
    272,097,791,998.80x = 408,146,687,998.20 × 166,306,170,469.20
  4. Step 4: Simplify right side
    272,097,791,998.80x = 67,877,312,670,668,045,680,640
  5. Step 5: Solve for x
    x = 67,877,312,670,668,045,680,640/272,097,791,998.80
  6. Step 6: Final answer
    x = 249,459,255,703.80

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Double scale
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Similar ratio
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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.