Finding the Fourth Proportional to 68,638,286,832.87, 102,955,527,026.10 and 18,274,152,711.09
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Solution
The fourth proportional to 68,638,286,832.87, 102,955,527,026.10 and 18,274,152,711.09 is: 27,410,722,355.39
Step by Step Solution
- Step 1: Write the proportion equation
68,638,286,832.87 : 102,955,527,026.10 = 18,274,152,711.09 : x - Step 2: Convert to fraction form
68,638,286,832.87/102,955,527,026.10 = 18,274,152,711.09/x - Step 3: Cross multiply
68,638,286,832.87x = 102,955,527,026.10 × 18,274,152,711.09 - Step 4: Simplify right side
68,638,286,832.87x = 1,881,425,023,325,705,076,736 - Step 5: Solve for x
x = 1,881,425,023,325,705,076,736/68,638,286,832.87 - Step 6: Final answer
x = 27,410,722,355.39
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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.