Home / 275,347,305.72-380,006,730.48-205,611,617.64

Finding the Fourth Proportional to 275,347,305.72, 380,006,730.48 and 205,611,617.64

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Solution

The fourth proportional to 275,347,305.72, 380,006,730.48 and 205,611,617.64 is: 283,764,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,347,305.72 : 380,006,730.48 = 205,611,617.64 : x
  2. Step 2: Convert to fraction form
    275,347,305.72/380,006,730.48 = 205,611,617.64/x
  3. Step 3: Cross multiply
    275,347,305.72x = 380,006,730.48 × 205,611,617.64
  4. Step 4: Simplify right side
    275,347,305.72x = 78,133,798,568,080,288
  5. Step 5: Solve for x
    x = 78,133,798,568,080,288/275,347,305.72
  6. Step 6: Final answer
    x = 283,764,529.18

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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.