Home / 3,431,774,540.80-5,147,661,811.20-977,792,579.20

Finding the Fourth Proportional to 3,431,774,540.80, 5,147,661,811.20 and 977,792,579.20

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Solution

The fourth proportional to 3,431,774,540.80, 5,147,661,811.20 and 977,792,579.20 is: 1,466,688,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,774,540.80 : 5,147,661,811.20 = 977,792,579.20 : x
  2. Step 2: Convert to fraction form
    3,431,774,540.80/5,147,661,811.20 = 977,792,579.20/x
  3. Step 3: Cross multiply
    3,431,774,540.80x = 5,147,661,811.20 × 977,792,579.20
  4. Step 4: Simplify right side
    3,431,774,540.80x = 5,033,345,519,222,591,488
  5. Step 5: Solve for x
    x = 5,033,345,519,222,591,488/3,431,774,540.80
  6. Step 6: Final answer
    x = 1,466,688,868.80

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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.