Finding the Fourth Proportional to 363,969,792.30, 545,954,688.45 and 202,411,728.30
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Solution
The fourth proportional to 363,969,792.30, 545,954,688.45 and 202,411,728.30 is: 303,617,592.45
Step by Step Solution
- Step 1: Write the proportion equation
363,969,792.30 : 545,954,688.45 = 202,411,728.30 : x - Step 2: Convert to fraction form
363,969,792.30/545,954,688.45 = 202,411,728.30/x - Step 3: Cross multiply
363,969,792.30x = 545,954,688.45 × 202,411,728.30 - Step 4: Simplify right side
363,969,792.30x = 110,507,632,062,652,560 - Step 5: Solve for x
x = 110,507,632,062,652,560/363,969,792.30 - Step 6: Final answer
x = 303,617,592.45
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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.