Finding the Fourth Proportional to 1,465,330,767.04, 2,198,079,938.24 and 415,986,893.12
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Solution
The fourth proportional to 1,465,330,767.04, 2,198,079,938.24 and 415,986,893.12 is: 624,004,125.83
Step by Step Solution
- Step 1: Write the proportion equation
1,465,330,767.04 : 2,198,079,938.24 = 415,986,893.12 : x - Step 2: Convert to fraction form
1,465,330,767.04/2,198,079,938.24 = 415,986,893.12/x - Step 3: Cross multiply
1,465,330,767.04x = 2,198,079,938.24 × 415,986,893.12 - Step 4: Simplify right side
1,465,330,767.04x = 914,372,444,337,858,944 - Step 5: Solve for x
x = 914,372,444,337,858,944/1,465,330,767.04 - Step 6: Final answer
x = 624,004,125.83
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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.