Home / 340,353,532.20-469,688,847.24-197,327,090.88

Finding the Fourth Proportional to 340,353,532.20, 469,688,847.24 and 197,327,090.88

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Solution

The fourth proportional to 340,353,532.20, 469,688,847.24 and 197,327,090.88 is: 272,311,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,353,532.20 : 469,688,847.24 = 197,327,090.88 : x
  2. Step 2: Convert to fraction form
    340,353,532.20/469,688,847.24 = 197,327,090.88/x
  3. Step 3: Cross multiply
    340,353,532.20x = 469,688,847.24 × 197,327,090.88
  4. Step 4: Simplify right side
    340,353,532.20x = 92,682,333,844,649,920
  5. Step 5: Solve for x
    x = 92,682,333,844,649,920/340,353,532.20
  6. Step 6: Final answer
    x = 272,311,949.42

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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.