Finding the Fourth Proportional to 18,449,532,901.80, 27,674,299,352.70 and 8,500,957,381.80
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Solution
The fourth proportional to 18,449,532,901.80, 27,674,299,352.70 and 8,500,957,381.80 is: 12,751,436,072.70
Step by Step Solution
- Step 1: Write the proportion equation
18,449,532,901.80 : 27,674,299,352.70 = 8,500,957,381.80 : x - Step 2: Convert to fraction form
18,449,532,901.80/27,674,299,352.70 = 8,500,957,381.80/x - Step 3: Cross multiply
18,449,532,901.80x = 27,674,299,352.70 × 8,500,957,381.80 - Step 4: Simplify right side
18,449,532,901.80x = 235,258,039,368,478,031,872 - Step 5: Solve for x
x = 235,258,039,368,478,031,872/18,449,532,901.80 - Step 6: Final answer
x = 12,751,436,072.70
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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.