Home / 2,610,115,160.76-3,915,066,563.70-644,918,751.60

Finding the Fourth Proportional to 2,610,115,160.76, 3,915,066,563.70 and 644,918,751.60

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Solution

The fourth proportional to 2,610,115,160.76, 3,915,066,563.70 and 644,918,751.60 is: 967,351,892.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610,115,160.76 : 3,915,066,563.70 = 644,918,751.60 : x
  2. Step 2: Convert to fraction form
    2,610,115,160.76/3,915,066,563.70 = 644,918,751.60/x
  3. Step 3: Cross multiply
    2,610,115,160.76x = 3,915,066,563.70 × 644,918,751.60
  4. Step 4: Simplify right side
    2,610,115,160.76x = 2,524,899,840,692,305,920
  5. Step 5: Solve for x
    x = 2,524,899,840,692,305,920/2,610,115,160.76
  6. Step 6: Final answer
    x = 967,351,892.61

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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.