Finding the Fourth Proportional to 8,857,314,448.40, 13,286,129,136.60 and 2,646,556,374.80
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Solution
The fourth proportional to 8,857,314,448.40, 13,286,129,136.60 and 2,646,556,374.80 is: 3,969,881,612.28
Step by Step Solution
- Step 1: Write the proportion equation
8,857,314,448.40 : 13,286,129,136.60 = 2,646,556,374.80 : x - Step 2: Convert to fraction form
8,857,314,448.40/13,286,129,136.60 = 2,646,556,374.80/x - Step 3: Cross multiply
8,857,314,448.40x = 13,286,129,136.60 × 2,646,556,374.80 - Step 4: Simplify right side
8,857,314,448.40x = 35,162,489,762,884,755,456 - Step 5: Solve for x
x = 35,162,489,762,884,755,456/8,857,314,448.40 - Step 6: Final answer
x = 3,969,881,612.28
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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.