Home / 415,260,672.80-622,891,009.20-200,269,824.80

Finding the Fourth Proportional to 415,260,672.80, 622,891,009.20 and 200,269,824.80

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Solution

The fourth proportional to 415,260,672.80, 622,891,009.20 and 200,269,824.80 is: 300,404,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,260,672.80 : 622,891,009.20 = 200,269,824.80 : x
  2. Step 2: Convert to fraction form
    415,260,672.80/622,891,009.20 = 200,269,824.80/x
  3. Step 3: Cross multiply
    415,260,672.80x = 622,891,009.20 × 200,269,824.80
  4. Step 4: Simplify right side
    415,260,672.80x = 124,746,273,281,979,200
  5. Step 5: Solve for x
    x = 124,746,273,281,979,200/415,260,672.80
  6. Step 6: Final answer
    x = 300,404,737.20

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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.