Home / 366,638,696.82-505,951,311.84-201,626,266.32

Finding the Fourth Proportional to 366,638,696.82, 505,951,311.84 and 201,626,266.32

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Solution

The fourth proportional to 366,638,696.82, 505,951,311.84 and 201,626,266.32 is: 278,238,698.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,638,696.82 : 505,951,311.84 = 201,626,266.32 : x
  2. Step 2: Convert to fraction form
    366,638,696.82/505,951,311.84 = 201,626,266.32/x
  3. Step 3: Cross multiply
    366,638,696.82x = 505,951,311.84 × 201,626,266.32
  4. Step 4: Simplify right side
    366,638,696.82x = 102,013,073,946,005,200
  5. Step 5: Solve for x
    x = 102,013,073,946,005,200/366,638,696.82
  6. Step 6: Final answer
    x = 278,238,698.84

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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.