Home / 643,541,694.39-965,321,510.72-183,479,864.31

Finding the Fourth Proportional to 643,541,694.39, 965,321,510.72 and 183,479,864.31

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Solution

The fourth proportional to 643,541,694.39, 965,321,510.72 and 183,479,864.31 is: 275,222,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,541,694.39 : 965,321,510.72 = 183,479,864.31 : x
  2. Step 2: Convert to fraction form
    643,541,694.39/965,321,510.72 = 183,479,864.31/x
  3. Step 3: Cross multiply
    643,541,694.39x = 965,321,510.72 × 183,479,864.31
  4. Step 4: Simplify right side
    643,541,694.39x = 177,117,059,801,512,416
  5. Step 5: Solve for x
    x = 177,117,059,801,512,416/643,541,694.39
  6. Step 6: Final answer
    x = 275,222,353.65

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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.