Finding the Fourth Proportional to 7,133,198,256.60, 9,843,543,912.52 and 3,961,586,476.68
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Solution
The fourth proportional to 7,133,198,256.60, 9,843,543,912.52 and 3,961,586,476.68 is: 5,466,839,563.92
Step by Step Solution
- Step 1: Write the proportion equation
7,133,198,256.60 : 9,843,543,912.52 = 3,961,586,476.68 : x - Step 2: Convert to fraction form
7,133,198,256.60/9,843,543,912.52 = 3,961,586,476.68/x - Step 3: Cross multiply
7,133,198,256.60x = 9,843,543,912.52 × 3,961,586,476.68 - Step 4: Simplify right side
7,133,198,256.60x = 38,996,050,446,444,969,984 - Step 5: Solve for x
x = 38,996,050,446,444,969,984/7,133,198,256.60 - Step 6: Final answer
x = 5,466,839,563.92
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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.