Home / 325,287,655,997.53-448,890,926,285.82-178,796,985,766.43

Finding the Fourth Proportional to 325,287,655,997.53, 448,890,926,285.82 and 178,796,985,766.43

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Solution

The fourth proportional to 325,287,655,997.53, 448,890,926,285.82 and 178,796,985,766.43 is: 246,736,520,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,287,655,997.53 : 448,890,926,285.82 = 178,796,985,766.43 : x
  2. Step 2: Convert to fraction form
    325,287,655,997.53/448,890,926,285.82 = 178,796,985,766.43/x
  3. Step 3: Cross multiply
    325,287,655,997.53x = 448,890,926,285.82 × 178,796,985,766.43
  4. Step 4: Simplify right side
    325,287,655,997.53x = 80,260,344,557,805,332,594,688
  5. Step 5: Solve for x
    x = 80,260,344,557,805,332,594,688/325,287,655,997.53
  6. Step 6: Final answer
    x = 246,736,520,977.65

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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.