Finding the Fourth Proportional to 2,361,628,673.75, 3,542,456,253.18 and 787,731,658.54
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Solution
The fourth proportional to 2,361,628,673.75, 3,542,456,253.18 and 787,731,658.54 is: 1,181,601,904.92
Step by Step Solution
- Step 1: Write the proportion equation
2,361,628,673.75 : 3,542,456,253.18 = 787,731,658.54 : x - Step 2: Convert to fraction form
2,361,628,673.75/3,542,456,253.18 = 787,731,658.54/x - Step 3: Cross multiply
2,361,628,673.75x = 3,542,456,253.18 × 787,731,658.54 - Step 4: Simplify right side
2,361,628,673.75x = 2,790,504,939,622,875,136 - Step 5: Solve for x
x = 2,790,504,939,622,875,136/2,361,628,673.75 - Step 6: Final answer
x = 1,181,601,904.92
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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.