Home / 479,361,392.37-661,518,863.16-270,561,766.41

Finding the Fourth Proportional to 479,361,392.37, 661,518,863.16 and 270,561,766.41

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Solution

The fourth proportional to 479,361,392.37, 661,518,863.16 and 270,561,766.41 is: 373,375,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,361,392.37 : 661,518,863.16 = 270,561,766.41 : x
  2. Step 2: Convert to fraction form
    479,361,392.37/661,518,863.16 = 270,561,766.41/x
  3. Step 3: Cross multiply
    479,361,392.37x = 661,518,863.16 × 270,561,766.41
  4. Step 4: Simplify right side
    479,361,392.37x = 178,981,712,130,104,672
  5. Step 5: Solve for x
    x = 178,981,712,130,104,672/479,361,392.37
  6. Step 6: Final answer
    x = 373,375,317.62

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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.