Home / 823,510,307.52-1,235,504,576.52-331,969,926.96

Finding the Fourth Proportional to 823,510,307.52, 1,235,504,576.52 and 331,969,926.96

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Solution

The fourth proportional to 823,510,307.52, 1,235,504,576.52 and 331,969,926.96 is: 498,051,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,510,307.52 : 1,235,504,576.52 = 331,969,926.96 : x
  2. Step 2: Convert to fraction form
    823,510,307.52/1,235,504,576.52 = 331,969,926.96/x
  3. Step 3: Cross multiply
    823,510,307.52x = 1,235,504,576.52 × 331,969,926.96
  4. Step 4: Simplify right side
    823,510,307.52x = 410,150,364,026,090,112
  5. Step 5: Solve for x
    x = 410,150,364,026,090,112/823,510,307.52
  6. Step 6: Final answer
    x = 498,051,281.55

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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.