Finding the Fourth Proportional to 3,131,561,661.48, 4,699,174,192.17 and 1,167,771,430.44
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Solution
The fourth proportional to 3,131,561,661.48, 4,699,174,192.17 and 1,167,771,430.44 is: 1,752,340,193.64
Step by Step Solution
- Step 1: Write the proportion equation
3,131,561,661.48 : 4,699,174,192.17 = 1,167,771,430.44 : x - Step 2: Convert to fraction form
3,131,561,661.48/4,699,174,192.17 = 1,167,771,430.44/x - Step 3: Cross multiply
3,131,561,661.48x = 4,699,174,192.17 × 1,167,771,430.44 - Step 4: Simplify right side
3,131,561,661.48x = 5,487,561,368,277,092,352 - Step 5: Solve for x
x = 5,487,561,368,277,092,352/3,131,561,661.48 - Step 6: Final answer
x = 1,752,340,193.64
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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.