Finding the Fourth Proportional to 1,241,568,211.46, 1,713,405,494.16 and 677,083,892.18
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Solution
The fourth proportional to 1,241,568,211.46, 1,713,405,494.16 and 677,083,892.18 is: 934,398,327.99
Step by Step Solution
- Step 1: Write the proportion equation
1,241,568,211.46 : 1,713,405,494.16 = 677,083,892.18 : x - Step 2: Convert to fraction form
1,241,568,211.46/1,713,405,494.16 = 677,083,892.18/x - Step 3: Cross multiply
1,241,568,211.46x = 1,713,405,494.16 × 677,083,892.18 - Step 4: Simplify right side
1,241,568,211.46x = 1,160,119,260,868,449,024 - Step 5: Solve for x
x = 1,160,119,260,868,449,024/1,241,568,211.46 - Step 6: Final answer
x = 934,398,327.99
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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.