Home / 340,847,998.80-511,271,998.20-204,463,179.60

Finding the Fourth Proportional to 340,847,998.80, 511,271,998.20 and 204,463,179.60

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Solution

The fourth proportional to 340,847,998.80, 511,271,998.20 and 204,463,179.60 is: 306,694,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,847,998.80 : 511,271,998.20 = 204,463,179.60 : x
  2. Step 2: Convert to fraction form
    340,847,998.80/511,271,998.20 = 204,463,179.60/x
  3. Step 3: Cross multiply
    340,847,998.80x = 511,271,998.20 × 204,463,179.60
  4. Step 4: Simplify right side
    340,847,998.80x = 104,536,298,392,417,472
  5. Step 5: Solve for x
    x = 104,536,298,392,417,472/340,847,998.80
  6. Step 6: Final answer
    x = 306,694,769.40

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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.