Finding the Fourth Proportional to 373,371,623.24, 515,252,933.46 and 206,107,981.64
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Solution
The fourth proportional to 373,371,623.24, 515,252,933.46 and 206,107,981.64 is: 284,429,066.22
Step by Step Solution
- Step 1: Write the proportion equation
373,371,623.24 : 515,252,933.46 = 206,107,981.64 : x - Step 2: Convert to fraction form
373,371,623.24/515,252,933.46 = 206,107,981.64/x - Step 3: Cross multiply
373,371,623.24x = 515,252,933.46 × 206,107,981.64 - Step 4: Simplify right side
373,371,623.24x = 106,197,742,149,529,808 - Step 5: Solve for x
x = 106,197,742,149,529,808/373,371,623.24 - Step 6: Final answer
x = 284,429,066.22
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.