Finding the Fourth Proportional to 4,895,840,548.10, 6,756,282,836.17 and 2,781,412,516.79
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Solution
The fourth proportional to 4,895,840,548.10, 6,756,282,836.17 and 2,781,412,516.79 is: 3,838,362,271.57
Step by Step Solution
- Step 1: Write the proportion equation
4,895,840,548.10 : 6,756,282,836.17 = 2,781,412,516.79 : x - Step 2: Convert to fraction form
4,895,840,548.10/6,756,282,836.17 = 2,781,412,516.79/x - Step 3: Cross multiply
4,895,840,548.10x = 6,756,282,836.17 × 2,781,412,516.79 - Step 4: Simplify right side
4,895,840,548.10x = 18,792,009,647,455,940,608 - Step 5: Solve for x
x = 18,792,009,647,455,940,608/4,895,840,548.10 - Step 6: Final answer
x = 3,838,362,271.57
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1.5x scale
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.