Finding the Fourth Proportional to 300,052,190.08, 449,495,921.57 and 221,125,356.46
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Solution
The fourth proportional to 300,052,190.08, 449,495,921.57 and 221,125,356.46 is: 331,258,858.19
Step by Step Solution
- Step 1: Write the proportion equation
300,052,190.08 : 449,495,921.57 = 221,125,356.46 : x - Step 2: Convert to fraction form
300,052,190.08/449,495,921.57 = 221,125,356.46/x - Step 3: Cross multiply
300,052,190.08x = 449,495,921.57 × 221,125,356.46 - Step 4: Simplify right side
300,052,190.08x = 99,394,945,884,482,448 - Step 5: Solve for x
x = 99,394,945,884,482,448/300,052,190.08 - Step 6: Final answer
x = 331,258,858.19
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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.