Finding the Fourth Proportional to 5,601,283,637.92, 8,403,378,149.76 and 2,978,931,369.76
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Solution
The fourth proportional to 5,601,283,637.92, 8,403,378,149.76 and 2,978,931,369.76 is: 4,469,169,640.47
Step by Step Solution
- Step 1: Write the proportion equation
5,601,283,637.92 : 8,403,378,149.76 = 2,978,931,369.76 : x - Step 2: Convert to fraction form
5,601,283,637.92/8,403,378,149.76 = 2,978,931,369.76/x - Step 3: Cross multiply
5,601,283,637.92x = 8,403,378,149.76 × 2,978,931,369.76 - Step 4: Simplify right side
5,601,283,637.92x = 25,033,086,782,275,813,376 - Step 5: Solve for x
x = 25,033,086,782,275,813,376/5,601,283,637.92 - Step 6: Final answer
x = 4,469,169,640.47
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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.