Finding the Fourth Proportional to 7,504,100,777, 11,256,151,515.48 and 5,140,931,453.48
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Solution
The fourth proportional to 7,504,100,777, 11,256,151,515.48 and 5,140,931,453.48 is: 7,711,397,419.99
Step by Step Solution
- Step 1: Write the proportion equation
7,504,100,777 : 11,256,151,515.48 = 5,140,931,453.48 : x - Step 2: Convert to fraction form
7,504,100,777/11,256,151,515.48 = 5,140,931,453.48/x - Step 3: Cross multiply
7,504,100,777x = 11,256,151,515.48 × 5,140,931,453.48 - Step 4: Simplify right side
7,504,100,777x = 57,867,103,371,067,695,104 - Step 5: Solve for x
x = 57,867,103,371,067,695,104/7,504,100,777 - Step 6: Final answer
x = 7,711,397,419.99
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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.