Finding the Fourth Proportional to 2,540,527,265.67, 3,810,368,224.47 and 769,476,909.79
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Solution
The fourth proportional to 2,540,527,265.67, 3,810,368,224.47 and 769,476,909.79 is: 1,154,087,344.84
Step by Step Solution
- Step 1: Write the proportion equation
2,540,527,265.67 : 3,810,368,224.47 = 769,476,909.79 : x - Step 2: Convert to fraction form
2,540,527,265.67/3,810,368,224.47 = 769,476,909.79/x - Step 3: Cross multiply
2,540,527,265.67x = 3,810,368,224.47 × 769,476,909.79 - Step 4: Simplify right side
2,540,527,265.67x = 2,931,990,366,538,268,160 - Step 5: Solve for x
x = 2,931,990,366,538,268,160/2,540,527,265.67 - Step 6: Final answer
x = 1,154,087,344.84
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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.