Home / 589,943,940.80-885,923,680.80-386,374,481.60

Finding the Fourth Proportional to 589,943,940.80, 885,923,680.80 and 386,374,481.60

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Solution

The fourth proportional to 589,943,940.80, 885,923,680.80 and 386,374,481.60 is: 580,221,745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,943,940.80 : 885,923,680.80 = 386,374,481.60 : x
  2. Step 2: Convert to fraction form
    589,943,940.80/885,923,680.80 = 386,374,481.60/x
  3. Step 3: Cross multiply
    589,943,940.80x = 885,923,680.80 × 386,374,481.60
  4. Step 4: Simplify right side
    589,943,940.80x = 342,298,302,906,263,872
  5. Step 5: Solve for x
    x = 342,298,302,906,263,872/589,943,940.80
  6. Step 6: Final answer
    x = 580,221,745.21

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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.