Finding the Fourth Proportional to 18,148,176,067.80, 27,222,264,101.70 and 15,245,799,619.80
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Solution
The fourth proportional to 18,148,176,067.80, 27,222,264,101.70 and 15,245,799,619.80 is: 22,868,699,429.70
Step by Step Solution
- Step 1: Write the proportion equation
18,148,176,067.80 : 27,222,264,101.70 = 15,245,799,619.80 : x - Step 2: Convert to fraction form
18,148,176,067.80/27,222,264,101.70 = 15,245,799,619.80/x - Step 3: Cross multiply
18,148,176,067.80x = 27,222,264,101.70 × 15,245,799,619.80 - Step 4: Simplify right side
18,148,176,067.80x = 415,025,183,691,793,039,360 - Step 5: Solve for x
x = 415,025,183,691,793,039,360/18,148,176,067.80 - Step 6: Final answer
x = 22,868,699,429.70
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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.