Finding the Fourth Proportional to 3,609,417,417.09, 5,410,304,938.70 and 1,214,088,549.49
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Solution
The fourth proportional to 3,609,417,417.09, 5,410,304,938.70 and 1,214,088,549.49 is: 1,819,847,503.43
Step by Step Solution
- Step 1: Write the proportion equation
3,609,417,417.09 : 5,410,304,938.70 = 1,214,088,549.49 : x - Step 2: Convert to fraction form
3,609,417,417.09/5,410,304,938.70 = 1,214,088,549.49/x - Step 3: Cross multiply
3,609,417,417.09x = 5,410,304,938.70 × 1,214,088,549.49 - Step 4: Simplify right side
3,609,417,417.09x = 6,568,589,275,318,795,264 - Step 5: Solve for x
x = 6,568,589,275,318,795,264/3,609,417,417.09 - Step 6: Final answer
x = 1,819,847,503.43
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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.