Home / 518,542,150,940.91-715,596,640,258.55-283,893,524,277.57

Finding the Fourth Proportional to 518,542,150,940.91, 715,596,640,258.55 and 283,893,524,277.57

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Solution

The fourth proportional to 518,542,150,940.91, 715,596,640,258.55 and 283,893,524,277.57 is: 391,777,701,765.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,542,150,940.91 : 715,596,640,258.55 = 283,893,524,277.57 : x
  2. Step 2: Convert to fraction form
    518,542,150,940.91/715,596,640,258.55 = 283,893,524,277.57/x
  3. Step 3: Cross multiply
    518,542,150,940.91x = 715,596,640,258.55 × 283,893,524,277.57
  4. Step 4: Simplify right side
    518,542,150,940.91x = 203,153,252,164,188,193,685,504
  5. Step 5: Solve for x
    x = 203,153,252,164,188,193,685,504/518,542,150,940.91
  6. Step 6: Final answer
    x = 391,777,701,765.54

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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.