Finding the Fourth Proportional to 351,362,571.24, 484,880,338.68 and 194,753,207.12
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Solution
The fourth proportional to 351,362,571.24, 484,880,338.68 and 194,753,207.12 is: 268,759,420.49
Step by Step Solution
- Step 1: Write the proportion equation
351,362,571.24 : 484,880,338.68 = 194,753,207.12 : x - Step 2: Convert to fraction form
351,362,571.24/484,880,338.68 = 194,753,207.12/x - Step 3: Cross multiply
351,362,571.24x = 484,880,338.68 × 194,753,207.12 - Step 4: Simplify right side
351,362,571.24x = 94,432,001,027,361,792 - Step 5: Solve for x
x = 94,432,001,027,361,792/351,362,571.24 - Step 6: Final answer
x = 268,759,420.49
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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.