Home / 7,321,024,936.80-10,103,020,922.97-3,979,523,219.22

Finding the Fourth Proportional to 7,321,024,936.80, 10,103,020,922.97 and 3,979,523,219.22

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Solution

The fourth proportional to 7,321,024,936.80, 10,103,020,922.97 and 3,979,523,219.22 is: 5,491,745,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321,024,936.80 : 10,103,020,922.97 = 3,979,523,219.22 : x
  2. Step 2: Convert to fraction form
    7,321,024,936.80/10,103,020,922.97 = 3,979,523,219.22/x
  3. Step 3: Cross multiply
    7,321,024,936.80x = 10,103,020,922.97 × 3,979,523,219.22
  4. Step 4: Simplify right side
    7,321,024,936.80x = 40,205,206,347,224,588,288
  5. Step 5: Solve for x
    x = 40,205,206,347,224,588,288/7,321,024,936.80
  6. Step 6: Final answer
    x = 5,491,745,581.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.