Home / 339,696,512.40-509,544,768.60-203,311,693.20

Finding the Fourth Proportional to 339,696,512.40, 509,544,768.60 and 203,311,693.20

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Solution

The fourth proportional to 339,696,512.40, 509,544,768.60 and 203,311,693.20 is: 304,967,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,696,512.40 : 509,544,768.60 = 203,311,693.20 : x
  2. Step 2: Convert to fraction form
    339,696,512.40/509,544,768.60 = 203,311,693.20/x
  3. Step 3: Cross multiply
    339,696,512.40x = 509,544,768.60 × 203,311,693.20
  4. Step 4: Simplify right side
    339,696,512.40x = 103,596,409,665,268,192
  5. Step 5: Solve for x
    x = 103,596,409,665,268,192/339,696,512.40
  6. Step 6: Final answer
    x = 304,967,539.80

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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.