Home / 293,646,880.76-439,512,238.51-215,903,171.48

Finding the Fourth Proportional to 293,646,880.76, 439,512,238.51 and 215,903,171.48

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Solution

The fourth proportional to 293,646,880.76, 439,512,238.51 and 215,903,171.48 is: 323,150,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,646,880.76 : 439,512,238.51 = 215,903,171.48 : x
  2. Step 2: Convert to fraction form
    293,646,880.76/439,512,238.51 = 215,903,171.48/x
  3. Step 3: Cross multiply
    293,646,880.76x = 439,512,238.51 × 215,903,171.48
  4. Step 4: Simplify right side
    293,646,880.76x = 94,892,086,195,845,872
  5. Step 5: Solve for x
    x = 94,892,086,195,845,872/293,646,880.76
  6. Step 6: Final answer
    x = 323,150,329.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.