Finding the Fourth Proportional to 7,905,082,852.25, 11,857,187,814.94 and 5,780,106,136.37
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Solution
The fourth proportional to 7,905,082,852.25, 11,857,187,814.94 and 5,780,106,136.37 is: 8,669,840,067.48
Step by Step Solution
- Step 1: Write the proportion equation
7,905,082,852.25 : 11,857,187,814.94 = 5,780,106,136.37 : x - Step 2: Convert to fraction form
7,905,082,852.25/11,857,187,814.94 = 5,780,106,136.37/x - Step 3: Cross multiply
7,905,082,852.25x = 11,857,187,814.94 × 5,780,106,136.37 - Step 4: Simplify right side
7,905,082,852.25x = 68,535,804,049,216,651,264 - Step 5: Solve for x
x = 68,535,804,049,216,651,264/7,905,082,852.25 - Step 6: Final answer
x = 8,669,840,067.48
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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.