Finding the Fourth Proportional to 3,678,528,045.30, 5,517,792,067.95 and 3,279,451,283.70
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Solution
The fourth proportional to 3,678,528,045.30, 5,517,792,067.95 and 3,279,451,283.70 is: 4,919,176,925.55
Step by Step Solution
- Step 1: Write the proportion equation
3,678,528,045.30 : 5,517,792,067.95 = 3,279,451,283.70 : x - Step 2: Convert to fraction form
3,678,528,045.30/5,517,792,067.95 = 3,279,451,283.70/x - Step 3: Cross multiply
3,678,528,045.30x = 5,517,792,067.95 × 3,279,451,283.70 - Step 4: Simplify right side
3,678,528,045.30x = 18,095,330,280,428,304,384 - Step 5: Solve for x
x = 18,095,330,280,428,304,384/3,678,528,045.30 - Step 6: Final answer
x = 4,919,176,925.55
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1.5x scale
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.