Home / 1,997,945,800.20-2,996,918,700.30-1,967,334,798.60

Finding the Fourth Proportional to 1,997,945,800.20, 2,996,918,700.30 and 1,967,334,798.60

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Solution

The fourth proportional to 1,997,945,800.20, 2,996,918,700.30 and 1,967,334,798.60 is: 2,951,002,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,945,800.20 : 2,996,918,700.30 = 1,967,334,798.60 : x
  2. Step 2: Convert to fraction form
    1,997,945,800.20/2,996,918,700.30 = 1,967,334,798.60/x
  3. Step 3: Cross multiply
    1,997,945,800.20x = 2,996,918,700.30 × 1,967,334,798.60
  4. Step 4: Simplify right side
    1,997,945,800.20x = 5,895,942,447,675,274,240
  5. Step 5: Solve for x
    x = 5,895,942,447,675,274,240/1,997,945,800.20
  6. Step 6: Final answer
    x = 2,951,002,197.90

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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.