Finding the Fourth Proportional to 9,966,105,120.80, 14,947,244,493.60 and 2,979,144,005.60
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Solution
The fourth proportional to 9,966,105,120.80, 14,947,244,493.60 and 2,979,144,005.60 is: 4,468,144,103.80
Step by Step Solution
- Step 1: Write the proportion equation
9,966,105,120.80 : 14,947,244,493.60 = 2,979,144,005.60 : x - Step 2: Convert to fraction form
9,966,105,120.80/14,947,244,493.60 = 2,979,144,005.60/x - Step 3: Cross multiply
9,966,105,120.80x = 14,947,244,493.60 × 2,979,144,005.60 - Step 4: Simplify right side
9,966,105,120.80x = 44,529,993,833,346,048,000 - Step 5: Solve for x
x = 44,529,993,833,346,048,000/9,966,105,120.80 - Step 6: Final answer
x = 4,468,144,103.80
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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.