Home / 2,839,159,745.45-4,254,932,788.05-2,209,651,896.21

Finding the Fourth Proportional to 2,839,159,745.45, 4,254,932,788.05 and 2,209,651,896.21

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Solution

The fourth proportional to 2,839,159,745.45, 4,254,932,788.05 and 2,209,651,896.21 is: 3,311,515,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,159,745.45 : 4,254,932,788.05 = 2,209,651,896.21 : x
  2. Step 2: Convert to fraction form
    2,839,159,745.45/4,254,932,788.05 = 2,209,651,896.21/x
  3. Step 3: Cross multiply
    2,839,159,745.45x = 4,254,932,788.05 × 2,209,651,896.21
  4. Step 4: Simplify right side
    2,839,159,745.45x = 9,401,920,303,353,438,208
  5. Step 5: Solve for x
    x = 9,401,920,303,353,438,208/2,839,159,745.45
  6. Step 6: Final answer
    x = 3,311,515,077.10

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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.