Finding the Fourth Proportional to 3,751,989,696.36, 5,628,032,440.02 and 991,594,863
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Solution
The fourth proportional to 3,751,989,696.36, 5,628,032,440.02 and 991,594,863 is: 1,487,404,952.56
Step by Step Solution
- Step 1: Write the proportion equation
3,751,989,696.36 : 5,628,032,440.02 = 991,594,863 : x - Step 2: Convert to fraction form
3,751,989,696.36/5,628,032,440.02 = 991,594,863/x - Step 3: Cross multiply
3,751,989,696.36x = 5,628,032,440.02 × 991,594,863 - Step 4: Simplify right side
3,751,989,696.36x = 5,580,728,056,321,187,840 - Step 5: Solve for x
x = 5,580,728,056,321,187,840/3,751,989,696.36 - Step 6: Final answer
x = 1,487,404,952.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.