Finding the Fourth Proportional to 3,131,561,660.98, 4,699,174,191.42 and 1,167,771,429.94
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Solution
The fourth proportional to 3,131,561,660.98, 4,699,174,191.42 and 1,167,771,429.94 is: 1,752,340,192.89
Step by Step Solution
- Step 1: Write the proportion equation
3,131,561,660.98 : 4,699,174,191.42 = 1,167,771,429.94 : x - Step 2: Convert to fraction form
3,131,561,660.98/4,699,174,191.42 = 1,167,771,429.94/x - Step 3: Cross multiply
3,131,561,660.98x = 4,699,174,191.42 × 1,167,771,429.94 - Step 4: Simplify right side
3,131,561,660.98x = 5,487,561,365,051,676,672 - Step 5: Solve for x
x = 5,487,561,365,051,676,672/3,131,561,660.98 - Step 6: Final answer
x = 1,752,340,192.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.