Home / 3,375,661,132.95-5,061,528,978.67-1,277,299,638.68

Finding the Fourth Proportional to 3,375,661,132.95, 5,061,528,978.67 and 1,277,299,638.68

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Solution

The fourth proportional to 3,375,661,132.95, 5,061,528,978.67 and 1,277,299,638.68 is: 1,915,206,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375,661,132.95 : 5,061,528,978.67 = 1,277,299,638.68 : x
  2. Step 2: Convert to fraction form
    3,375,661,132.95/5,061,528,978.67 = 1,277,299,638.68/x
  3. Step 3: Cross multiply
    3,375,661,132.95x = 5,061,528,978.67 × 1,277,299,638.68
  4. Step 4: Simplify right side
    3,375,661,132.95x = 6,465,089,135,618,852,864
  5. Step 5: Solve for x
    x = 6,465,089,135,618,852,864/3,375,661,132.95
  6. Step 6: Final answer
    x = 1,915,206,793.87

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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.