Finding the Fourth Proportional to 3,936,274,056, 5,432,171,571.36 and 2,176,254,838.08
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Solution
The fourth proportional to 3,936,274,056, 5,432,171,571.36 and 2,176,254,838.08 is: 3,003,294,357.88
Step by Step Solution
- Step 1: Write the proportion equation
3,936,274,056 : 5,432,171,571.36 = 2,176,254,838.08 : x - Step 2: Convert to fraction form
3,936,274,056/5,432,171,571.36 = 2,176,254,838.08/x - Step 3: Cross multiply
3,936,274,056x = 5,432,171,571.36 × 2,176,254,838.08 - Step 4: Simplify right side
3,936,274,056x = 11,821,789,663,452,833,792 - Step 5: Solve for x
x = 11,821,789,663,452,833,792/3,936,274,056 - Step 6: Final answer
x = 3,003,294,357.88
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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.