Home / 3,622,765,115.70-5,431,277,892.15-1,986,989,717.70

Finding the Fourth Proportional to 3,622,765,115.70, 5,431,277,892.15 and 1,986,989,717.70

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Solution

The fourth proportional to 3,622,765,115.70, 5,431,277,892.15 and 1,986,989,717.70 is: 2,978,910,578.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,765,115.70 : 5,431,277,892.15 = 1,986,989,717.70 : x
  2. Step 2: Convert to fraction form
    3,622,765,115.70/5,431,277,892.15 = 1,986,989,717.70/x
  3. Step 3: Cross multiply
    3,622,765,115.70x = 5,431,277,892.15 × 1,986,989,717.70
  4. Step 4: Simplify right side
    3,622,765,115.70x = 10,791,893,325,673,379,840
  5. Step 5: Solve for x
    x = 10,791,893,325,673,379,840/3,622,765,115.70
  6. Step 6: Final answer
    x = 2,978,910,578.25

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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.