Home / 3,622,765,058.20-5,431,277,805.90-1,986,989,660.20

Finding the Fourth Proportional to 3,622,765,058.20, 5,431,277,805.90 and 1,986,989,660.20

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Solution

The fourth proportional to 3,622,765,058.20, 5,431,277,805.90 and 1,986,989,660.20 is: 2,978,910,492.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,765,058.20 : 5,431,277,805.90 = 1,986,989,660.20 : x
  2. Step 2: Convert to fraction form
    3,622,765,058.20/5,431,277,805.90 = 1,986,989,660.20/x
  3. Step 3: Cross multiply
    3,622,765,058.20x = 5,431,277,805.90 × 1,986,989,660.20
  4. Step 4: Simplify right side
    3,622,765,058.20x = 10,791,892,841,997,041,664
  5. Step 5: Solve for x
    x = 10,791,892,841,997,041,664/3,622,765,058.20
  6. Step 6: Final answer
    x = 2,978,910,492.02

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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.