Home / 327,764,042.80-491,646,064.20-292,051,207.60

Finding the Fourth Proportional to 327,764,042.80, 491,646,064.20 and 292,051,207.60

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Solution

The fourth proportional to 327,764,042.80, 491,646,064.20 and 292,051,207.60 is: 438,076,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,764,042.80 : 491,646,064.20 = 292,051,207.60 : x
  2. Step 2: Convert to fraction form
    327,764,042.80/491,646,064.20 = 292,051,207.60/x
  3. Step 3: Cross multiply
    327,764,042.80x = 491,646,064.20 × 292,051,207.60
  4. Step 4: Simplify right side
    327,764,042.80x = 143,585,826,761,397,136
  5. Step 5: Solve for x
    x = 143,585,826,761,397,136/327,764,042.80
  6. Step 6: Final answer
    x = 438,076,811.40

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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.