Home / 2,125,821,906.20-3,188,732,859.30-2,097,156,459.80

Finding the Fourth Proportional to 2,125,821,906.20, 3,188,732,859.30 and 2,097,156,459.80

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Solution

The fourth proportional to 2,125,821,906.20, 3,188,732,859.30 and 2,097,156,459.80 is: 3,145,734,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,821,906.20 : 3,188,732,859.30 = 2,097,156,459.80 : x
  2. Step 2: Convert to fraction form
    2,125,821,906.20/3,188,732,859.30 = 2,097,156,459.80/x
  3. Step 3: Cross multiply
    2,125,821,906.20x = 3,188,732,859.30 × 2,097,156,459.80
  4. Step 4: Simplify right side
    2,125,821,906.20x = 6,687,271,714,457,520,128
  5. Step 5: Solve for x
    x = 6,687,271,714,457,520,128/2,125,821,906.20
  6. Step 6: Final answer
    x = 3,145,734,689.70

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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.