Home / 351,290,598.27-484,622,049.92-212,016,839.55

Finding the Fourth Proportional to 351,290,598.27, 484,622,049.92 and 212,016,839.55

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Solution

The fourth proportional to 351,290,598.27, 484,622,049.92 and 212,016,839.55 is: 292,487,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,290,598.27 : 484,622,049.92 = 212,016,839.55 : x
  2. Step 2: Convert to fraction form
    351,290,598.27/484,622,049.92 = 212,016,839.55/x
  3. Step 3: Cross multiply
    351,290,598.27x = 484,622,049.92 × 212,016,839.55
  4. Step 4: Simplify right side
    351,290,598.27x = 102,748,035,399,220,656
  5. Step 5: Solve for x
    x = 102,748,035,399,220,656/351,290,598.27
  6. Step 6: Final answer
    x = 292,487,290.88

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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.