Finding the Fourth Proportional to 1,244,094,744.67, 1,716,856,599.26 and 679,587,457.97
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Solution
The fourth proportional to 1,244,094,744.67, 1,716,856,599.26 and 679,587,457.97 is: 937,833,888.45
Step by Step Solution
- Step 1: Write the proportion equation
1,244,094,744.67 : 1,716,856,599.26 = 679,587,457.97 : x - Step 2: Convert to fraction form
1,244,094,744.67/1,716,856,599.26 = 679,587,457.97/x - Step 3: Cross multiply
1,244,094,744.67x = 1,716,856,599.26 × 679,587,457.97 - Step 4: Simplify right side
1,244,094,744.67x = 1,166,754,211,991,016,704 - Step 5: Solve for x
x = 1,166,754,211,991,016,704/1,244,094,744.67 - Step 6: Final answer
x = 937,833,888.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.