Finding the Fourth Proportional to 2,858,093,184.57, 4,286,664,268.56 and 865,661,534.19
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Solution
The fourth proportional to 2,858,093,184.57, 4,286,664,268.56 and 865,661,534.19 is: 1,298,348,278.95
Step by Step Solution
- Step 1: Write the proportion equation
2,858,093,184.57 : 4,286,664,268.56 = 865,661,534.19 : x - Step 2: Convert to fraction form
2,858,093,184.57/4,286,664,268.56 = 865,661,534.19/x - Step 3: Cross multiply
2,858,093,184.57x = 4,286,664,268.56 × 865,661,534.19 - Step 4: Simplify right side
2,858,093,184.57x = 3,710,800,367,279,104,000 - Step 5: Solve for x
x = 3,710,800,367,279,104,000/2,858,093,184.57 - Step 6: Final answer
x = 1,298,348,278.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.