Home / 843,629,040.40-1,265,504,178.32-290,923,517.72

Finding the Fourth Proportional to 843,629,040.40, 1,265,504,178.32 and 290,923,517.72

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Solution

The fourth proportional to 843,629,040.40, 1,265,504,178.32 and 290,923,517.72 is: 436,406,180.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,629,040.40 : 1,265,504,178.32 = 290,923,517.72 : x
  2. Step 2: Convert to fraction form
    843,629,040.40/1,265,504,178.32 = 290,923,517.72/x
  3. Step 3: Cross multiply
    843,629,040.40x = 1,265,504,178.32 × 290,923,517.72
  4. Step 4: Simplify right side
    843,629,040.40x = 368,164,927,246,212,608
  5. Step 5: Solve for x
    x = 368,164,927,246,212,608/843,629,040.40
  6. Step 6: Final answer
    x = 436,406,180.46

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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.