Home / 3,929,782,879.20-5,876,770,071.50-2,934,502,831.61

Finding the Fourth Proportional to 3,929,782,879.20, 5,876,770,071.50 and 2,934,502,831.61

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Solution

The fourth proportional to 3,929,782,879.20, 5,876,770,071.50 and 2,934,502,831.61 is: 4,388,384,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,782,879.20 : 5,876,770,071.50 = 2,934,502,831.61 : x
  2. Step 2: Convert to fraction form
    3,929,782,879.20/5,876,770,071.50 = 2,934,502,831.61/x
  3. Step 3: Cross multiply
    3,929,782,879.20x = 5,876,770,071.50 × 2,934,502,831.61
  4. Step 4: Simplify right side
    3,929,782,879.20x = 17,245,398,415,493,595,136
  5. Step 5: Solve for x
    x = 17,245,398,415,493,595,136/3,929,782,879.20
  6. Step 6: Final answer
    x = 4,388,384,535.64

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1.5x scale

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.