Finding the Fourth Proportional to 399,322,882.67, 551,094,093.99 and 220,702,928.45
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Solution
The fourth proportional to 399,322,882.67, 551,094,093.99 and 220,702,928.45 is: 304,585,801.80
Step by Step Solution
- Step 1: Write the proportion equation
399,322,882.67 : 551,094,093.99 = 220,702,928.45 : x - Step 2: Convert to fraction form
399,322,882.67/551,094,093.99 = 220,702,928.45/x - Step 3: Cross multiply
399,322,882.67x = 551,094,093.99 × 220,702,928.45 - Step 4: Simplify right side
399,322,882.67x = 121,628,080,392,337,072 - Step 5: Solve for x
x = 121,628,080,392,337,072/399,322,882.67 - Step 6: Final answer
x = 304,585,801.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.