Finding the Fourth Proportional to 326,505,459.50, 489,968,892.68 and 119,226,515.49
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Solution
The fourth proportional to 326,505,459.50, 489,968,892.68 and 119,226,515.49 is: 178,916,713.56
Step by Step Solution
- Step 1: Write the proportion equation
326,505,459.50 : 489,968,892.68 = 119,226,515.49 : x - Step 2: Convert to fraction form
326,505,459.50/489,968,892.68 = 119,226,515.49/x - Step 3: Cross multiply
326,505,459.50x = 489,968,892.68 × 119,226,515.49 - Step 4: Simplify right side
326,505,459.50x = 58,417,283,772,134,032 - Step 5: Solve for x
x = 58,417,283,772,134,032/326,505,459.50 - Step 6: Final answer
x = 178,916,713.56
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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.