Home / 2,489,938,010.80-3,734,907,016.20-766,651,994.80

Finding the Fourth Proportional to 2,489,938,010.80, 3,734,907,016.20 and 766,651,994.80

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Solution

The fourth proportional to 2,489,938,010.80, 3,734,907,016.20 and 766,651,994.80 is: 1,149,977,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,938,010.80 : 3,734,907,016.20 = 766,651,994.80 : x
  2. Step 2: Convert to fraction form
    2,489,938,010.80/3,734,907,016.20 = 766,651,994.80/x
  3. Step 3: Cross multiply
    2,489,938,010.80x = 3,734,907,016.20 × 766,651,994.80
  4. Step 4: Simplify right side
    2,489,938,010.80x = 2,863,373,914,362,245,632
  5. Step 5: Solve for x
    x = 2,863,373,914,362,245,632/2,489,938,010.80
  6. Step 6: Final answer
    x = 1,149,977,992.20

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Double scale
Find fourth proportional to 2,489,938,011.80, 3,734,907,017.70 and 766,651,995.80
Similar ratio
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1.5x scale

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.