Finding the Fourth Proportional to 379,994,232.60, 524,121,651.67 and 348,733,253.11
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Solution
The fourth proportional to 379,994,232.60, 524,121,651.67 and 348,733,253.11 is: 481,003,744.09
Step by Step Solution
- Step 1: Write the proportion equation
379,994,232.60 : 524,121,651.67 = 348,733,253.11 : x - Step 2: Convert to fraction form
379,994,232.60/524,121,651.67 = 348,733,253.11/x - Step 3: Cross multiply
379,994,232.60x = 524,121,651.67 × 348,733,253.11 - Step 4: Simplify right side
379,994,232.60x = 182,778,648,612,265,376 - Step 5: Solve for x
x = 182,778,648,612,265,376/379,994,232.60 - Step 6: Final answer
x = 481,003,744.09
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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.