Home / 319,728,359.80-441,178,175.94-178,582,187.80

Finding the Fourth Proportional to 319,728,359.80, 441,178,175.94 and 178,582,187.80

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Solution

The fourth proportional to 319,728,359.80, 441,178,175.94 and 178,582,187.80 is: 246,417,189.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,728,359.80 : 441,178,175.94 = 178,582,187.80 : x
  2. Step 2: Convert to fraction form
    319,728,359.80/441,178,175.94 = 178,582,187.80/x
  3. Step 3: Cross multiply
    319,728,359.80x = 441,178,175.94 × 178,582,187.80
  4. Step 4: Simplify right side
    319,728,359.80x = 78,786,563,868,978,528
  5. Step 5: Solve for x
    x = 78,786,563,868,978,528/319,728,359.80
  6. Step 6: Final answer
    x = 246,417,189.64

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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.