Home / 297,308,809.80-445,538,061.90-206,326,110.60

Finding the Fourth Proportional to 297,308,809.80, 445,538,061.90 and 206,326,110.60

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Solution

The fourth proportional to 297,308,809.80, 445,538,061.90 and 206,326,110.60 is: 309,194,118.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,308,809.80 : 445,538,061.90 = 206,326,110.60 : x
  2. Step 2: Convert to fraction form
    297,308,809.80/445,538,061.90 = 206,326,110.60/x
  3. Step 3: Cross multiply
    297,308,809.80x = 445,538,061.90 × 206,326,110.60
  4. Step 4: Simplify right side
    297,308,809.80x = 91,926,135,436,089,040
  5. Step 5: Solve for x
    x = 91,926,135,436,089,040/297,308,809.80
  6. Step 6: Final answer
    x = 309,194,118.73

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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.