Finding the Fourth Proportional to 7,133,198,252.58, 9,843,543,907.02 and 3,961,586,472.66
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Solution
The fourth proportional to 7,133,198,252.58, 9,843,543,907.02 and 3,961,586,472.66 is: 5,466,839,558.40
Step by Step Solution
- Step 1: Write the proportion equation
7,133,198,252.58 : 9,843,543,907.02 = 3,961,586,472.66 : x - Step 2: Convert to fraction form
7,133,198,252.58/9,843,543,907.02 = 3,961,586,472.66/x - Step 3: Cross multiply
7,133,198,252.58x = 9,843,543,907.02 × 3,961,586,472.66 - Step 4: Simplify right side
7,133,198,252.58x = 38,996,050,385,085,194,240 - Step 5: Solve for x
x = 38,996,050,385,085,194,240/7,133,198,252.58 - Step 6: Final answer
x = 5,466,839,558.40
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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.