Finding the Fourth Proportional to 7,048,118,813,348, 9,726,404,430,143.80 and 3,922,984,256,505.80
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Solution
The fourth proportional to 7,048,118,813,348, 9,726,404,430,143.80 and 3,922,984,256,505.80 is: 5,413,718,534,313.03
Step by Step Solution
- Step 1: Write the proportion equation
7,048,118,813,348 : 9,726,404,430,143.80 = 3,922,984,256,505.80 : x - Step 2: Convert to fraction form
7,048,118,813,348/9,726,404,430,143.80 = 3,922,984,256,505.80/x - Step 3: Cross multiply
7,048,118,813,348x = 9,726,404,430,143.80 × 3,922,984,256,505.80 - Step 4: Simplify right side
7,048,118,813,348x = 38,156,531,451,862,394,844,741,632 - Step 5: Solve for x
x = 38,156,531,451,862,394,844,741,632/7,048,118,813,348 - Step 6: Final answer
x = 5,413,718,534,313.03
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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.