Home / 812,149,516,793.10-1,218,224,275,189.60-435,576,801,485.10

Finding the Fourth Proportional to 812,149,516,793.10, 1,218,224,275,189.60 and 435,576,801,485.10

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Solution

The fourth proportional to 812,149,516,793.10, 1,218,224,275,189.60 and 435,576,801,485.10 is: 653,365,202,227.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,149,516,793.10 : 1,218,224,275,189.60 = 435,576,801,485.10 : x
  2. Step 2: Convert to fraction form
    812,149,516,793.10/1,218,224,275,189.60 = 435,576,801,485.10/x
  3. Step 3: Cross multiply
    812,149,516,793.10x = 1,218,224,275,189.60 × 435,576,801,485.10
  4. Step 4: Simplify right side
    812,149,516,793.10x = 530,630,233,278,590,234,918,912
  5. Step 5: Solve for x
    x = 530,630,233,278,590,234,918,912/812,149,516,793.10
  6. Step 6: Final answer
    x = 653,365,202,227.62

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Double scale
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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.