Finding the Fourth Proportional to 253,384,331.19, 379,937,941.58 and 201,197,236.67
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Solution
The fourth proportional to 253,384,331.19, 379,937,941.58 and 201,197,236.67 is: 301,685,836.67
Step by Step Solution
- Step 1: Write the proportion equation
253,384,331.19 : 379,937,941.58 = 201,197,236.67 : x - Step 2: Convert to fraction form
253,384,331.19/379,937,941.58 = 201,197,236.67/x - Step 3: Cross multiply
253,384,331.19x = 379,937,941.58 × 201,197,236.67 - Step 4: Simplify right side
253,384,331.19x = 76,442,463,952,011,952 - Step 5: Solve for x
x = 76,442,463,952,011,952/253,384,331.19 - Step 6: Final answer
x = 301,685,836.67
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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.