Home / 279,614,626.27-386,033,706.54-248,589,100.69

Finding the Fourth Proportional to 279,614,626.27, 386,033,706.54 and 248,589,100.69

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Solution

The fourth proportional to 279,614,626.27, 386,033,706.54 and 248,589,100.69 is: 343,200,115.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,614,626.27 : 386,033,706.54 = 248,589,100.69 : x
  2. Step 2: Convert to fraction form
    279,614,626.27/386,033,706.54 = 248,589,100.69/x
  3. Step 3: Cross multiply
    279,614,626.27x = 386,033,706.54 × 248,589,100.69
  4. Step 4: Simplify right side
    279,614,626.27x = 95,963,771,944,805,968
  5. Step 5: Solve for x
    x = 95,963,771,944,805,968/279,614,626.27
  6. Step 6: Final answer
    x = 343,200,115.19

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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.