Home / 275,347,308.71-380,006,734.64-205,611,620.69

Finding the Fourth Proportional to 275,347,308.71, 380,006,734.64 and 205,611,620.69

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Solution

The fourth proportional to 275,347,308.71, 380,006,734.64 and 205,611,620.69 is: 283,764,533.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,347,308.71 : 380,006,734.64 = 205,611,620.69 : x
  2. Step 2: Convert to fraction form
    275,347,308.71/380,006,734.64 = 205,611,620.69/x
  3. Step 3: Cross multiply
    275,347,308.71x = 380,006,734.64 × 205,611,620.69
  4. Step 4: Simplify right side
    275,347,308.71x = 78,133,800,579,517,072
  5. Step 5: Solve for x
    x = 78,133,800,579,517,072/275,347,308.71
  6. Step 6: Final answer
    x = 283,764,533.41

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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.