Finding the Fourth Proportional to 2,640,588,082.20, 3,960,882,123.30 and 2,365,089,067.80
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Solution
The fourth proportional to 2,640,588,082.20, 3,960,882,123.30 and 2,365,089,067.80 is: 3,547,633,601.70
Step by Step Solution
- Step 1: Write the proportion equation
2,640,588,082.20 : 3,960,882,123.30 = 2,365,089,067.80 : x - Step 2: Convert to fraction form
2,640,588,082.20/3,960,882,123.30 = 2,365,089,067.80/x - Step 3: Cross multiply
2,640,588,082.20x = 3,960,882,123.30 × 2,365,089,067.80 - Step 4: Simplify right side
2,640,588,082.20x = 9,367,839,008,661,282,816 - Step 5: Solve for x
x = 9,367,839,008,661,282,816/2,640,588,082.20 - Step 6: Final answer
x = 3,547,633,601.70
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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.