Home / 509,969,474.40-765,269,139.60-203,229,602.40

Finding the Fourth Proportional to 509,969,474.40, 765,269,139.60 and 203,229,602.40

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Solution

The fourth proportional to 509,969,474.40, 765,269,139.60 and 203,229,602.40 is: 304,969,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,969,474.40 : 765,269,139.60 = 203,229,602.40 : x
  2. Step 2: Convert to fraction form
    509,969,474.40/765,269,139.60 = 203,229,602.40/x
  3. Step 3: Cross multiply
    509,969,474.40x = 765,269,139.60 × 203,229,602.40
  4. Step 4: Simplify right side
    509,969,474.40x = 155,525,342,969,898,112
  5. Step 5: Solve for x
    x = 155,525,342,969,898,112/509,969,474.40
  6. Step 6: Final answer
    x = 304,969,906.59

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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.