Home / 312,926,327,998.20-469,389,491,997.30-312,926,327,998.20

Finding the Fourth Proportional to 312,926,327,998.20, 469,389,491,997.30 and 312,926,327,998.20

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Solution

The fourth proportional to 312,926,327,998.20, 469,389,491,997.30 and 312,926,327,998.20 is: 469,389,491,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,926,327,998.20 : 469,389,491,997.30 = 312,926,327,998.20 : x
  2. Step 2: Convert to fraction form
    312,926,327,998.20/469,389,491,997.30 = 312,926,327,998.20/x
  3. Step 3: Cross multiply
    312,926,327,998.20x = 469,389,491,997.30 × 312,926,327,998.20
  4. Step 4: Simplify right side
    312,926,327,998.20x = 146,884,330,131,655,571,275,776
  5. Step 5: Solve for x
    x = 146,884,330,131,655,571,275,776/312,926,327,998.20
  6. Step 6: Final answer
    x = 469,389,491,997.30

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Double scale
Find fourth proportional to 312,926,327,999.20, 469,389,491,998.80 and 312,926,327,999.20
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.