Finding the Fourth Proportional to 1,639,922,492.17, 2,264,656,026.87 and 1,550,580,560.62
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Solution
The fourth proportional to 1,639,922,492.17, 2,264,656,026.87 and 1,550,580,560.62 is: 2,141,279,010.76
Step by Step Solution
- Step 1: Write the proportion equation
1,639,922,492.17 : 2,264,656,026.87 = 1,550,580,560.62 : x - Step 2: Convert to fraction form
1,639,922,492.17/2,264,656,026.87 = 1,550,580,560.62/x - Step 3: Cross multiply
1,639,922,492.17x = 2,264,656,026.87 × 1,550,580,560.62 - Step 4: Simplify right side
1,639,922,492.17x = 3,511,531,611,749,884,928 - Step 5: Solve for x
x = 3,511,531,611,749,884,928/1,639,922,492.17 - Step 6: Final answer
x = 2,141,279,010.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.