Home / 328,093,351.20-492,140,026.80-322,991,517.60

Finding the Fourth Proportional to 328,093,351.20, 492,140,026.80 and 322,991,517.60

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Solution

The fourth proportional to 328,093,351.20, 492,140,026.80 and 322,991,517.60 is: 484,487,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,093,351.20 : 492,140,026.80 = 322,991,517.60 : x
  2. Step 2: Convert to fraction form
    328,093,351.20/492,140,026.80 = 322,991,517.60/x
  3. Step 3: Cross multiply
    328,093,351.20x = 492,140,026.80 × 322,991,517.60
  4. Step 4: Simplify right side
    328,093,351.20x = 158,957,054,127,836,672
  5. Step 5: Solve for x
    x = 158,957,054,127,836,672/328,093,351.20
  6. Step 6: Final answer
    x = 484,487,276.40

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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.