Finding the Fourth Proportional to 644,719,744.12, 889,716,259.84 and 366,276,546.58
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Solution
The fourth proportional to 644,719,744.12, 889,716,259.84 and 366,276,546.58 is: 505,463,345.99
Step by Step Solution
- Step 1: Write the proportion equation
644,719,744.12 : 889,716,259.84 = 366,276,546.58 : x - Step 2: Convert to fraction form
644,719,744.12/889,716,259.84 = 366,276,546.58/x - Step 3: Cross multiply
644,719,744.12x = 889,716,259.84 × 366,276,546.58 - Step 4: Simplify right side
644,719,744.12x = 325,882,199,090,269,120 - Step 5: Solve for x
x = 325,882,199,090,269,120/644,719,744.12 - Step 6: Final answer
x = 505,463,345.99
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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.