Home / 2,765,237,644.80-4,147,325,625.60-826,604,121.60

Finding the Fourth Proportional to 2,765,237,644.80, 4,147,325,625.60 and 826,604,121.60

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Solution

The fourth proportional to 2,765,237,644.80, 4,147,325,625.60 and 826,604,121.60 is: 1,239,747,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765,237,644.80 : 4,147,325,625.60 = 826,604,121.60 : x
  2. Step 2: Convert to fraction form
    2,765,237,644.80/4,147,325,625.60 = 826,604,121.60/x
  3. Step 3: Cross multiply
    2,765,237,644.80x = 4,147,325,625.60 × 826,604,121.60
  4. Step 4: Simplify right side
    2,765,237,644.80x = 3,428,196,455,738,258,432
  5. Step 5: Solve for x
    x = 3,428,196,455,738,258,432/2,765,237,644.80
  6. Step 6: Final answer
    x = 1,239,747,499.53

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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.