Home / 404,364,479.20-606,546,718.80-220,698,469.60

Finding the Fourth Proportional to 404,364,479.20, 606,546,718.80 and 220,698,469.60

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Solution

The fourth proportional to 404,364,479.20, 606,546,718.80 and 220,698,469.60 is: 331,047,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,364,479.20 : 606,546,718.80 = 220,698,469.60 : x
  2. Step 2: Convert to fraction form
    404,364,479.20/606,546,718.80 = 220,698,469.60/x
  3. Step 3: Cross multiply
    404,364,479.20x = 606,546,718.80 × 220,698,469.60
  4. Step 4: Simplify right side
    404,364,479.20x = 133,863,932,580,061,536
  5. Step 5: Solve for x
    x = 133,863,932,580,061,536/404,364,479.20
  6. Step 6: Final answer
    x = 331,047,704.40

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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.