Finding the Fourth Proportional to 262,587,972.56, 393,529,880.99 and 204,365,955.02
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Solution
The fourth proportional to 262,587,972.56, 393,529,880.99 and 204,365,955.02 is: 306,274,918.74
Step by Step Solution
- Step 1: Write the proportion equation
262,587,972.56 : 393,529,880.99 = 204,365,955.02 : x - Step 2: Convert to fraction form
262,587,972.56/393,529,880.99 = 204,365,955.02/x - Step 3: Cross multiply
262,587,972.56x = 393,529,880.99 × 204,365,955.02 - Step 4: Simplify right side
262,587,972.56x = 80,424,109,955,971,552 - Step 5: Solve for x
x = 80,424,109,955,971,552/262,587,972.56 - Step 6: Final answer
x = 306,274,918.74
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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.