Finding the Fourth Proportional to 16,638,503,687.12, 24,957,754,015.48 and 7,322,251,613.20
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Solution
The fourth proportional to 16,638,503,687.12, 24,957,754,015.48 and 7,322,251,613.20 is: 10,983,376,752.99
Step by Step Solution
- Step 1: Write the proportion equation
16,638,503,687.12 : 24,957,754,015.48 = 7,322,251,613.20 : x - Step 2: Convert to fraction form
16,638,503,687.12/24,957,754,015.48 = 7,322,251,613.20/x - Step 3: Cross multiply
16,638,503,687.12x = 24,957,754,015.48 × 7,322,251,613.20 - Step 4: Simplify right side
16,638,503,687.12x = 182,746,954,601,697,214,464 - Step 5: Solve for x
x = 182,746,954,601,697,214,464/16,638,503,687.12 - Step 6: Final answer
x = 10,983,376,752.99
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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.