Home / 319,694,802.90-441,174,171.13-178,568,031.48

Finding the Fourth Proportional to 319,694,802.90, 441,174,171.13 and 178,568,031.48

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Solution

The fourth proportional to 319,694,802.90, 441,174,171.13 and 178,568,031.48 is: 246,421,282.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,694,802.90 : 441,174,171.13 = 178,568,031.48 : x
  2. Step 2: Convert to fraction form
    319,694,802.90/441,174,171.13 = 178,568,031.48/x
  3. Step 3: Cross multiply
    319,694,802.90x = 441,174,171.13 × 178,568,031.48
  4. Step 4: Simplify right side
    319,694,802.90x = 78,779,603,278,504,736
  5. Step 5: Solve for x
    x = 78,779,603,278,504,736/319,694,802.90
  6. Step 6: Final answer
    x = 246,421,282.31

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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.