Home / 773,149,998.96-1,066,947,172.56-425,469,486.96

Finding the Fourth Proportional to 773,149,998.96, 1,066,947,172.56 and 425,469,486.96

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Solution

The fourth proportional to 773,149,998.96, 1,066,947,172.56 and 425,469,486.96 is: 587,147,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,149,998.96 : 1,066,947,172.56 = 425,469,486.96 : x
  2. Step 2: Convert to fraction form
    773,149,998.96/1,066,947,172.56 = 425,469,486.96/x
  3. Step 3: Cross multiply
    773,149,998.96x = 1,066,947,172.56 × 425,469,486.96
  4. Step 4: Simplify right side
    773,149,998.96x = 453,953,466,122,525,760
  5. Step 5: Solve for x
    x = 453,953,466,122,525,760/773,149,998.96
  6. Step 6: Final answer
    x = 587,147,987.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.