Home / 339,529,057.56-509,293,520.73-145,314,534.60

Finding the Fourth Proportional to 339,529,057.56, 509,293,520.73 and 145,314,534.60

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Solution

The fourth proportional to 339,529,057.56, 509,293,520.73 and 145,314,534.60 is: 217,971,773.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,529,057.56 : 509,293,520.73 = 145,314,534.60 : x
  2. Step 2: Convert to fraction form
    339,529,057.56/509,293,520.73 = 145,314,534.60/x
  3. Step 3: Cross multiply
    339,529,057.56x = 509,293,520.73 × 145,314,534.60
  4. Step 4: Simplify right side
    339,529,057.56x = 74,007,750,939,675,408
  5. Step 5: Solve for x
    x = 74,007,750,939,675,408/339,529,057.56
  6. Step 6: Final answer
    x = 217,971,773.82

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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.