Home / 2,659,395,720.60-3,989,093,580.90-1,788,682,786.20

Finding the Fourth Proportional to 2,659,395,720.60, 3,989,093,580.90 and 1,788,682,786.20

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Solution

The fourth proportional to 2,659,395,720.60, 3,989,093,580.90 and 1,788,682,786.20 is: 2,683,024,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,395,720.60 : 3,989,093,580.90 = 1,788,682,786.20 : x
  2. Step 2: Convert to fraction form
    2,659,395,720.60/3,989,093,580.90 = 1,788,682,786.20/x
  3. Step 3: Cross multiply
    2,659,395,720.60x = 3,989,093,580.90 × 1,788,682,786.20
  4. Step 4: Simplify right side
    2,659,395,720.60x = 7,135,223,020,696,747,008
  5. Step 5: Solve for x
    x = 7,135,223,020,696,747,008/2,659,395,720.60
  6. Step 6: Final answer
    x = 2,683,024,179.30

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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.