Finding the Fourth Proportional to 8,442,629,575,651.40, 11,650,189,418,973 and 4,738,130,424,847.80
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Solution
The fourth proportional to 8,442,629,575,651.40, 11,650,189,418,973 and 4,738,130,424,847.80 is: 6,538,261,147,980.88
Step by Step Solution
- Step 1: Write the proportion equation
8,442,629,575,651.40 : 11,650,189,418,973 = 4,738,130,424,847.80 : x - Step 2: Convert to fraction form
8,442,629,575,651.40/11,650,189,418,973 = 4,738,130,424,847.80/x - Step 3: Cross multiply
8,442,629,575,651.40x = 11,650,189,418,973 × 4,738,130,424,847.80 - Step 4: Simplify right side
8,442,629,575,651.40x = 55,200,116,941,275,878,450,528,256 - Step 5: Solve for x
x = 55,200,116,941,275,878,450,528,256/8,442,629,575,651.40 - Step 6: Final answer
x = 6,538,261,147,980.88
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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.