Home / 508,728,233,166.99-763,317,695,196.96-266,647,811,837.64

Finding the Fourth Proportional to 508,728,233,166.99, 763,317,695,196.96 and 266,647,811,837.64

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Solution

The fourth proportional to 508,728,233,166.99, 763,317,695,196.96 and 266,647,811,837.64 is: 400,089,831,645.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,728,233,166.99 : 763,317,695,196.96 = 266,647,811,837.64 : x
  2. Step 2: Convert to fraction form
    508,728,233,166.99/763,317,695,196.96 = 266,647,811,837.64/x
  3. Step 3: Cross multiply
    508,728,233,166.99x = 763,317,695,196.96 × 266,647,811,837.64
  4. Step 4: Simplify right side
    508,728,233,166.99x = 203,536,993,161,220,049,600,512
  5. Step 5: Solve for x
    x = 203,536,993,161,220,049,600,512/508,728,233,166.99
  6. Step 6: Final answer
    x = 400,089,831,645.75

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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.