Finding the Fourth Proportional to 574,964,453.82, 793,449,377.99 and 320,646,086.65
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Solution
The fourth proportional to 574,964,453.82, 793,449,377.99 and 320,646,086.65 is: 442,490,724.97
Step by Step Solution
- Step 1: Write the proportion equation
574,964,453.82 : 793,449,377.99 = 320,646,086.65 : x - Step 2: Convert to fraction form
574,964,453.82/793,449,377.99 = 320,646,086.65/x - Step 3: Cross multiply
574,964,453.82x = 793,449,377.99 × 320,646,086.65 - Step 4: Simplify right side
574,964,453.82x = 254,416,438,004,985,696 - Step 5: Solve for x
x = 254,416,438,004,985,696/574,964,453.82 - Step 6: Final answer
x = 442,490,724.97
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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.