Finding the Fourth Proportional to 5,378,347,574.40, 8,067,521,361.60 and 3,301,334,428.80
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Solution
The fourth proportional to 5,378,347,574.40, 8,067,521,361.60 and 3,301,334,428.80 is: 4,952,001,643.20
Step by Step Solution
- Step 1: Write the proportion equation
5,378,347,574.40 : 8,067,521,361.60 = 3,301,334,428.80 : x - Step 2: Convert to fraction form
5,378,347,574.40/8,067,521,361.60 = 3,301,334,428.80/x - Step 3: Cross multiply
5,378,347,574.40x = 8,067,521,361.60 × 3,301,334,428.80 - Step 4: Simplify right side
5,378,347,574.40x = 26,633,586,026,129,539,072 - Step 5: Solve for x
x = 26,633,586,026,129,539,072/5,378,347,574.40 - Step 6: Final answer
x = 4,952,001,643.20
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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.