Finding the Fourth Proportional to 644,719,750.21, 889,716,268.28 and 366,276,552.67
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Solution
The fourth proportional to 644,719,750.21, 889,716,268.28 and 366,276,552.67 is: 505,463,354.42
Step by Step Solution
- Step 1: Write the proportion equation
644,719,750.21 : 889,716,268.28 = 366,276,552.67 : x - Step 2: Convert to fraction form
644,719,750.21/889,716,268.28 = 366,276,552.67/x - Step 3: Cross multiply
644,719,750.21x = 889,716,268.28 × 366,276,552.67 - Step 4: Simplify right side
644,719,750.21x = 325,882,207,600,015,296 - Step 5: Solve for x
x = 325,882,207,600,015,296/644,719,750.21 - Step 6: Final answer
x = 505,463,354.42
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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.