Finding the Fourth Proportional to 385,848,009.60, 579,443,860.80 and 204,449,481.60
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Solution
The fourth proportional to 385,848,009.60, 579,443,860.80 and 204,449,481.60 is: 307,030,213.99
Step by Step Solution
- Step 1: Write the proportion equation
385,848,009.60 : 579,443,860.80 = 204,449,481.60 : x - Step 2: Convert to fraction form
385,848,009.60/579,443,860.80 = 204,449,481.60/x - Step 3: Cross multiply
385,848,009.60x = 579,443,860.80 × 204,449,481.60 - Step 4: Simplify right side
385,848,009.60x = 118,466,996,956,862,544 - Step 5: Solve for x
x = 118,466,996,956,862,544/385,848,009.60 - Step 6: Final answer
x = 307,030,213.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.