Finding the Fourth Proportional to 18,313,207,811.70, 27,469,811,717.55 and 4,526,919,683.70
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Solution
The fourth proportional to 18,313,207,811.70, 27,469,811,717.55 and 4,526,919,683.70 is: 6,790,379,525.55
Step by Step Solution
- Step 1: Write the proportion equation
18,313,207,811.70 : 27,469,811,717.55 = 4,526,919,683.70 : x - Step 2: Convert to fraction form
18,313,207,811.70/27,469,811,717.55 = 4,526,919,683.70/x - Step 3: Cross multiply
18,313,207,811.70x = 27,469,811,717.55 × 4,526,919,683.70 - Step 4: Simplify right side
18,313,207,811.70x = 124,353,631,371,709,988,864 - Step 5: Solve for x
x = 124,353,631,371,709,988,864/18,313,207,811.70 - Step 6: Final answer
x = 6,790,379,525.55
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Double scale
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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.