Finding the Fourth Proportional to 7,720,131,232.36, 11,578,283,660.22 and 2,199,437,093.80
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Solution
The fourth proportional to 7,720,131,232.36, 11,578,283,660.22 and 2,199,437,093.80 is: 3,298,610,580.36
Step by Step Solution
- Step 1: Write the proportion equation
7,720,131,232.36 : 11,578,283,660.22 = 2,199,437,093.80 : x - Step 2: Convert to fraction form
7,720,131,232.36/11,578,283,660.22 = 2,199,437,093.80/x - Step 3: Cross multiply
7,720,131,232.36x = 11,578,283,660.22 × 2,199,437,093.80 - Step 4: Simplify right side
7,720,131,232.36x = 25,465,706,564,826,304,512 - Step 5: Solve for x
x = 25,465,706,564,826,304,512/7,720,131,232.36 - Step 6: Final answer
x = 3,298,610,580.36
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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.