Finding the Fourth Proportional to 682,452,365.39, 941,782,211.65 and 369,186,492.68
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Solution
The fourth proportional to 682,452,365.39, 941,782,211.65 and 369,186,492.68 is: 509,476,249.51
Step by Step Solution
- Step 1: Write the proportion equation
682,452,365.39 : 941,782,211.65 = 369,186,492.68 : x - Step 2: Convert to fraction form
682,452,365.39/941,782,211.65 = 369,186,492.68/x - Step 3: Cross multiply
682,452,365.39x = 941,782,211.65 × 369,186,492.68 - Step 4: Simplify right side
682,452,365.39x = 347,693,271,585,376,704 - Step 5: Solve for x
x = 347,693,271,585,376,704/682,452,365.39 - Step 6: Final answer
x = 509,476,249.51
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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.