Home / 727,722,791.40-1,091,584,187.10-210,170,116.20

Finding the Fourth Proportional to 727,722,791.40, 1,091,584,187.10 and 210,170,116.20

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Solution

The fourth proportional to 727,722,791.40, 1,091,584,187.10 and 210,170,116.20 is: 315,255,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,722,791.40 : 1,091,584,187.10 = 210,170,116.20 : x
  2. Step 2: Convert to fraction form
    727,722,791.40/1,091,584,187.10 = 210,170,116.20/x
  3. Step 3: Cross multiply
    727,722,791.40x = 1,091,584,187.10 × 210,170,116.20
  4. Step 4: Simplify right side
    727,722,791.40x = 229,418,375,444,889,504
  5. Step 5: Solve for x
    x = 229,418,375,444,889,504/727,722,791.40
  6. Step 6: Final answer
    x = 315,255,174.30

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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.