Finding the Fourth Proportional to 2,477,910,904.80, 3,716,989,863.93 and 707,544,198.60
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Solution
The fourth proportional to 2,477,910,904.80, 3,716,989,863.93 and 707,544,198.60 is: 1,061,351,564.09
Step by Step Solution
- Step 1: Write the proportion equation
2,477,910,904.80 : 3,716,989,863.93 = 707,544,198.60 : x - Step 2: Convert to fraction form
2,477,910,904.80/3,716,989,863.93 = 707,544,198.60/x - Step 3: Cross multiply
2,477,910,904.80x = 3,716,989,863.93 × 707,544,198.60 - Step 4: Simplify right side
2,477,910,904.80x = 2,629,934,614,478,674,944 - Step 5: Solve for x
x = 2,629,934,614,478,674,944/2,477,910,904.80 - Step 6: Final answer
x = 1,061,351,564.09
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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.