Finding the Fourth Proportional to 351,362,773.35, 484,880,673.15 and 194,739,991.97
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Solution
The fourth proportional to 351,362,773.35, 484,880,673.15 and 194,739,991.97 is: 268,741,214.37
Step by Step Solution
- Step 1: Write the proportion equation
351,362,773.35 : 484,880,673.15 = 194,739,991.97 : x - Step 2: Convert to fraction form
351,362,773.35/484,880,673.15 = 194,739,991.97/x - Step 3: Cross multiply
351,362,773.35x = 484,880,673.15 × 194,739,991.97 - Step 4: Simplify right side
351,362,773.35x = 94,425,658,393,214,784 - Step 5: Solve for x
x = 94,425,658,393,214,784/351,362,773.35 - Step 6: Final answer
x = 268,741,214.37
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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.