Home / 626,050,198.72-939,257,049.80-252,365,236.80

Finding the Fourth Proportional to 626,050,198.72, 939,257,049.80 and 252,365,236.80

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Solution

The fourth proportional to 626,050,198.72, 939,257,049.80 and 252,365,236.80 is: 378,621,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,050,198.72 : 939,257,049.80 = 252,365,236.80 : x
  2. Step 2: Convert to fraction form
    626,050,198.72/939,257,049.80 = 252,365,236.80/x
  3. Step 3: Cross multiply
    626,050,198.72x = 939,257,049.80 × 252,365,236.80
  4. Step 4: Simplify right side
    626,050,198.72x = 237,035,827,788,846,400
  5. Step 5: Solve for x
    x = 237,035,827,788,846,400/626,050,198.72
  6. Step 6: Final answer
    x = 378,621,120.60

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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.