Finding the Fourth Proportional to 5,062,738,716.60, 6,985,916,876.40 and 2,919,424,539.18
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Solution
The fourth proportional to 5,062,738,716.60, 6,985,916,876.40 and 2,919,424,539.18 is: 4,028,423,803.65
Step by Step Solution
- Step 1: Write the proportion equation
5,062,738,716.60 : 6,985,916,876.40 = 2,919,424,539.18 : x - Step 2: Convert to fraction form
5,062,738,716.60/6,985,916,876.40 = 2,919,424,539.18/x - Step 3: Cross multiply
5,062,738,716.60x = 6,985,916,876.40 × 2,919,424,539.18 - Step 4: Simplify right side
5,062,738,716.60x = 20,394,857,157,633,851,392 - Step 5: Solve for x
x = 20,394,857,157,633,851,392/5,062,738,716.60 - Step 6: Final answer
x = 4,028,423,803.65
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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.