Home / 831,333,996.82-1,147,243,956.66-449,856,033.13

Finding the Fourth Proportional to 831,333,996.82, 1,147,243,956.66 and 449,856,033.13

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Solution

The fourth proportional to 831,333,996.82, 1,147,243,956.66 and 449,856,033.13 is: 620,802,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,333,996.82 : 1,147,243,956.66 = 449,856,033.13 : x
  2. Step 2: Convert to fraction form
    831,333,996.82/1,147,243,956.66 = 449,856,033.13/x
  3. Step 3: Cross multiply
    831,333,996.82x = 1,147,243,956.66 × 449,856,033.13
  4. Step 4: Simplify right side
    831,333,996.82x = 516,094,615,367,447,744
  5. Step 5: Solve for x
    x = 516,094,615,367,447,744/831,333,996.82
  6. Step 6: Final answer
    x = 620,802,971.30

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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.