Finding the Fourth Proportional to 3,131,561,657.97, 4,699,174,186.93 and 1,167,771,426.93
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Solution
The fourth proportional to 3,131,561,657.97, 4,699,174,186.93 and 1,167,771,426.93 is: 1,752,340,188.38
Step by Step Solution
- Step 1: Write the proportion equation
3,131,561,657.97 : 4,699,174,186.93 = 1,167,771,426.93 : x - Step 2: Convert to fraction form
3,131,561,657.97/4,699,174,186.93 = 1,167,771,426.93/x - Step 3: Cross multiply
3,131,561,657.97x = 4,699,174,186.93 × 1,167,771,426.93 - Step 4: Simplify right side
3,131,561,657.97x = 5,487,561,345,663,868,928 - Step 5: Solve for x
x = 5,487,561,345,663,868,928/3,131,561,657.97 - Step 6: Final answer
x = 1,752,340,188.38
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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.