Home / 952,978,156.41-1,315,141,789.76-529,609,658.80

Finding the Fourth Proportional to 952,978,156.41, 1,315,141,789.76 and 529,609,658.80

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Solution

The fourth proportional to 952,978,156.41, 1,315,141,789.76 and 529,609,658.80 is: 730,879,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,978,156.41 : 1,315,141,789.76 = 529,609,658.80 : x
  2. Step 2: Convert to fraction form
    952,978,156.41/1,315,141,789.76 = 529,609,658.80/x
  3. Step 3: Cross multiply
    952,978,156.41x = 1,315,141,789.76 × 529,609,658.80
  4. Step 4: Simplify right side
    952,978,156.41x = 696,511,794,548,414,976
  5. Step 5: Solve for x
    x = 696,511,794,548,414,976/952,978,156.41
  6. Step 6: Final answer
    x = 730,879,076.15

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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.