Home / 319,694,804.10-441,174,172.78-178,568,032.68

Finding the Fourth Proportional to 319,694,804.10, 441,174,172.78 and 178,568,032.68

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Solution

The fourth proportional to 319,694,804.10, 441,174,172.78 and 178,568,032.68 is: 246,421,283.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,694,804.10 : 441,174,172.78 = 178,568,032.68 : x
  2. Step 2: Convert to fraction form
    319,694,804.10/441,174,172.78 = 178,568,032.68/x
  3. Step 3: Cross multiply
    319,694,804.10x = 441,174,172.78 × 178,568,032.68
  4. Step 4: Simplify right side
    319,694,804.10x = 78,779,604,102,551,008
  5. Step 5: Solve for x
    x = 78,779,604,102,551,008/319,694,804.10
  6. Step 6: Final answer
    x = 246,421,283.96

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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.