Home / 528,526,760.94-729,202,380.66-305,427,164.94

Finding the Fourth Proportional to 528,526,760.94, 729,202,380.66 and 305,427,164.94

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Solution

The fourth proportional to 528,526,760.94, 729,202,380.66 and 305,427,164.94 is: 421,394,397.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,526,760.94 : 729,202,380.66 = 305,427,164.94 : x
  2. Step 2: Convert to fraction form
    528,526,760.94/729,202,380.66 = 305,427,164.94/x
  3. Step 3: Cross multiply
    528,526,760.94x = 729,202,380.66 × 305,427,164.94
  4. Step 4: Simplify right side
    528,526,760.94x = 222,718,215,792,482,464
  5. Step 5: Solve for x
    x = 222,718,215,792,482,464/528,526,760.94
  6. Step 6: Final answer
    x = 421,394,397.13

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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.