Finding the Fourth Proportional to 18,638,958,687.74, 27,958,438,402.39 and 4,473,924,441.62
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Solution
The fourth proportional to 18,638,958,687.74, 27,958,438,402.39 and 4,473,924,441.62 is: 6,710,886,751.42
Step by Step Solution
- Step 1: Write the proportion equation
18,638,958,687.74 : 27,958,438,402.39 = 4,473,924,441.62 : x - Step 2: Convert to fraction form
18,638,958,687.74/27,958,438,402.39 = 4,473,924,441.62/x - Step 3: Cross multiply
18,638,958,687.74x = 27,958,438,402.39 × 4,473,924,441.62 - Step 4: Simplify right side
18,638,958,687.74x = 125,083,940,917,826,633,728 - Step 5: Solve for x
x = 125,083,940,917,826,633,728/18,638,958,687.74 - Step 6: Final answer
x = 6,710,886,751.42
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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.