Home / 685,256,850,884.10-945,677,132,992.33-376,619,149,725.08

Finding the Fourth Proportional to 685,256,850,884.10, 945,677,132,992.33 and 376,619,149,725.08

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Solution

The fourth proportional to 685,256,850,884.10, 945,677,132,992.33 and 376,619,149,725.08 is: 519,746,890,939.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,256,850,884.10 : 945,677,132,992.33 = 376,619,149,725.08 : x
  2. Step 2: Convert to fraction form
    685,256,850,884.10/945,677,132,992.33 = 376,619,149,725.08/x
  3. Step 3: Cross multiply
    685,256,850,884.10x = 945,677,132,992.33 × 376,619,149,725.08
  4. Step 4: Simplify right side
    685,256,850,884.10x = 356,160,117,742,022,713,933,824
  5. Step 5: Solve for x
    x = 356,160,117,742,022,713,933,824/685,256,850,884.10
  6. Step 6: Final answer
    x = 519,746,890,939.53

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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.