Finding the Fourth Proportional to 4,267,858,755.60, 6,405,371,314.20 and 1,942,374,416.40
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Solution
The fourth proportional to 4,267,858,755.60, 6,405,371,314.20 and 1,942,374,416.40 is: 2,915,192,390.54
Step by Step Solution
- Step 1: Write the proportion equation
4,267,858,755.60 : 6,405,371,314.20 = 1,942,374,416.40 : x - Step 2: Convert to fraction form
4,267,858,755.60/6,405,371,314.20 = 1,942,374,416.40/x - Step 3: Cross multiply
4,267,858,755.60x = 6,405,371,314.20 × 1,942,374,416.40 - Step 4: Simplify right side
4,267,858,755.60x = 12,441,629,368,244,527,104 - Step 5: Solve for x
x = 12,441,629,368,244,527,104/4,267,858,755.60 - Step 6: Final answer
x = 2,915,192,390.54
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1.5x scale
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.