Home / 325,287,655,998.54-448,890,926,287.20-178,796,985,767.44

Finding the Fourth Proportional to 325,287,655,998.54, 448,890,926,287.20 and 178,796,985,767.44

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Solution

The fourth proportional to 325,287,655,998.54, 448,890,926,287.20 and 178,796,985,767.44 is: 246,736,520,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,287,655,998.54 : 448,890,926,287.20 = 178,796,985,767.44 : x
  2. Step 2: Convert to fraction form
    325,287,655,998.54/448,890,926,287.20 = 178,796,985,767.44/x
  3. Step 3: Cross multiply
    325,287,655,998.54x = 448,890,926,287.20 × 178,796,985,767.44
  4. Step 4: Simplify right side
    325,287,655,998.54x = 80,260,344,558,505,462,595,584
  5. Step 5: Solve for x
    x = 80,260,344,558,505,462,595,584/325,287,655,998.54
  6. Step 6: Final answer
    x = 246,736,520,979.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.