Finding the Fourth Proportional to 220,732,346,531.22, 331,098,519,423.12 and 53,039,809,245.60
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Solution
The fourth proportional to 220,732,346,531.22, 331,098,519,423.12 and 53,039,809,245.60 is: 79,559,713,778.60
Step by Step Solution
- Step 1: Write the proportion equation
220,732,346,531.22 : 331,098,519,423.12 = 53,039,809,245.60 : x - Step 2: Convert to fraction form
220,732,346,531.22/331,098,519,423.12 = 53,039,809,245.60/x - Step 3: Cross multiply
220,732,346,531.22x = 331,098,519,423.12 × 53,039,809,245.60 - Step 4: Simplify right side
220,732,346,531.22x = 17,561,402,311,702,871,015,424 - Step 5: Solve for x
x = 17,561,402,311,702,871,015,424/220,732,346,531.22 - Step 6: Final answer
x = 79,559,713,778.60
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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.