Home / 853,961,531.40-1,280,935,998.54-240,532,175.88

Finding the Fourth Proportional to 853,961,531.40, 1,280,935,998.54 and 240,532,175.88

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Solution

The fourth proportional to 853,961,531.40, 1,280,935,998.54 and 240,532,175.88 is: 360,796,489.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,961,531.40 : 1,280,935,998.54 = 240,532,175.88 : x
  2. Step 2: Convert to fraction form
    853,961,531.40/1,280,935,998.54 = 240,532,175.88/x
  3. Step 3: Cross multiply
    853,961,531.40x = 1,280,935,998.54 × 240,532,175.88
  4. Step 4: Simplify right side
    853,961,531.40x = 308,106,322,891,846,656
  5. Step 5: Solve for x
    x = 308,106,322,891,846,656/853,961,531.40
  6. Step 6: Final answer
    x = 360,796,489.73

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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.