Finding the Fourth Proportional to 3,167,816,780.08, 4,751,906,757.96 and 838,693,240.07
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Solution
The fourth proportional to 3,167,816,780.08, 4,751,906,757.96 and 838,693,240.07 is: 1,258,087,936.28
Step by Step Solution
- Step 1: Write the proportion equation
3,167,816,780.08 : 4,751,906,757.96 = 838,693,240.07 : x - Step 2: Convert to fraction form
3,167,816,780.08/4,751,906,757.96 = 838,693,240.07/x - Step 3: Cross multiply
3,167,816,780.08x = 4,751,906,757.96 × 838,693,240.07 - Step 4: Simplify right side
3,167,816,780.08x = 3,985,392,075,344,002,048 - Step 5: Solve for x
x = 3,985,392,075,344,002,048/3,167,816,780.08 - Step 6: Final answer
x = 1,258,087,936.28
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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.