Finding the Fourth Proportional to 18,387,791,692,953, 27,581,714,085,124 and 7,509,045,390,775.90
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Solution
The fourth proportional to 18,387,791,692,953, 27,581,714,085,124 and 7,509,045,390,775.90 is: 11,263,578,926,662.17
Step by Step Solution
- Step 1: Write the proportion equation
18,387,791,692,953 : 27,581,714,085,124 = 7,509,045,390,775.90 : x - Step 2: Convert to fraction form
18,387,791,692,953/27,581,714,085,124 = 7,509,045,390,775.90/x - Step 3: Cross multiply
18,387,791,692,953x = 27,581,714,085,124 × 7,509,045,390,775.90 - Step 4: Simplify right side
18,387,791,692,953x = 207,112,343,020,599,093,252,587,520 - Step 5: Solve for x
x = 207,112,343,020,599,093,252,587,520/18,387,791,692,953 - Step 6: Final answer
x = 11,263,578,926,662.17
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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.