Finding the Fourth Proportional to 7,278,765,992,135.60, 10,045,012,816,841 and 4,030,826,322,604.10
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Solution
The fourth proportional to 7,278,765,992,135.60, 10,045,012,816,841 and 4,030,826,322,604.10 is: 5,562,715,179,573.80
Step by Step Solution
- Step 1: Write the proportion equation
7,278,765,992,135.60 : 10,045,012,816,841 = 4,030,826,322,604.10 : x - Step 2: Convert to fraction form
7,278,765,992,135.60/10,045,012,816,841 = 4,030,826,322,604.10/x - Step 3: Cross multiply
7,278,765,992,135.60x = 10,045,012,816,841 × 4,030,826,322,604.10 - Step 4: Simplify right side
7,278,765,992,135.60x = 40,489,702,073,018,264,743,575,552 - Step 5: Solve for x
x = 40,489,702,073,018,264,743,575,552/7,278,765,992,135.60 - Step 6: Final answer
x = 5,562,715,179,573.80
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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.