Home / 418,569,027.11-627,431,478.75-263,233,848.36

Finding the Fourth Proportional to 418,569,027.11, 627,431,478.75 and 263,233,848.36

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Solution

The fourth proportional to 418,569,027.11, 627,431,478.75 and 263,233,848.36 is: 394,585,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,569,027.11 : 627,431,478.75 = 263,233,848.36 : x
  2. Step 2: Convert to fraction form
    418,569,027.11/627,431,478.75 = 263,233,848.36/x
  3. Step 3: Cross multiply
    418,569,027.11x = 627,431,478.75 × 263,233,848.36
  4. Step 4: Simplify right side
    418,569,027.11x = 165,161,202,733,568,064
  5. Step 5: Solve for x
    x = 165,161,202,733,568,064/418,569,027.11
  6. Step 6: Final answer
    x = 394,585,342.05

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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.