Finding the Fourth Proportional to 7,776,678,846.69, 11,663,702,574.17 and 2,179,327,696.31
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Solution
The fourth proportional to 7,776,678,846.69, 11,663,702,574.17 and 2,179,327,696.31 is: 3,268,622,835.34
Step by Step Solution
- Step 1: Write the proportion equation
7,776,678,846.69 : 11,663,702,574.17 = 2,179,327,696.31 : x - Step 2: Convert to fraction form
7,776,678,846.69/11,663,702,574.17 = 2,179,327,696.31/x - Step 3: Cross multiply
7,776,678,846.69x = 11,663,702,574.17 × 2,179,327,696.31 - Step 4: Simplify right side
7,776,678,846.69x = 25,419,030,061,400,027,136 - Step 5: Solve for x
x = 25,419,030,061,400,027,136/7,776,678,846.69 - Step 6: Final answer
x = 3,268,622,835.34
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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.