Home / 4,965,218,243.80-7,448,592,640.72-1,692,902,172.76

Finding the Fourth Proportional to 4,965,218,243.80, 7,448,592,640.72 and 1,692,902,172.76

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Solution

The fourth proportional to 4,965,218,243.80, 7,448,592,640.72 and 1,692,902,172.76 is: 2,539,614,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965,218,243.80 : 7,448,592,640.72 = 1,692,902,172.76 : x
  2. Step 2: Convert to fraction form
    4,965,218,243.80/7,448,592,640.72 = 1,692,902,172.76/x
  3. Step 3: Cross multiply
    4,965,218,243.80x = 7,448,592,640.72 × 1,692,902,172.76
  4. Step 4: Simplify right side
    4,965,218,243.80x = 12,609,738,665,479,034,880
  5. Step 5: Solve for x
    x = 12,609,738,665,479,034,880/4,965,218,243.80
  6. Step 6: Final answer
    x = 2,539,614,181.36

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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.