Finding the Fourth Proportional to 996,019,215.60, 1,494,252,772.20 and 305,958,313.20
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Solution
The fourth proportional to 996,019,215.60, 1,494,252,772.20 and 305,958,313.20 is: 459,006,262.65
Step by Step Solution
- Step 1: Write the proportion equation
996,019,215.60 : 1,494,252,772.20 = 305,958,313.20 : x - Step 2: Convert to fraction form
996,019,215.60/1,494,252,772.20 = 305,958,313.20/x - Step 3: Cross multiply
996,019,215.60x = 1,494,252,772.20 × 305,958,313.20 - Step 4: Simplify right side
996,019,215.60x = 457,179,057,676,735,872 - Step 5: Solve for x
x = 457,179,057,676,735,872/996,019,215.60 - Step 6: Final answer
x = 459,006,262.65
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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.