Finding the Fourth Proportional to 5,376,136,935.40, 8,064,205,403.10 and 3,906,808,858.60
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Solution
The fourth proportional to 5,376,136,935.40, 8,064,205,403.10 and 3,906,808,858.60 is: 5,860,213,287.90
Step by Step Solution
- Step 1: Write the proportion equation
5,376,136,935.40 : 8,064,205,403.10 = 3,906,808,858.60 : x - Step 2: Convert to fraction form
5,376,136,935.40/8,064,205,403.10 = 3,906,808,858.60/x - Step 3: Cross multiply
5,376,136,935.40x = 8,064,205,403.10 × 3,906,808,858.60 - Step 4: Simplify right side
5,376,136,935.40x = 31,505,309,106,401,062,912 - Step 5: Solve for x
x = 31,505,309,106,401,062,912/5,376,136,935.40 - Step 6: Final answer
x = 5,860,213,287.90
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1.5x scale
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.