Finding the Fourth Proportional to 6,119,512,548.84, 9,181,142,168.37 and 3,133,689,711.63
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Solution
The fourth proportional to 6,119,512,548.84, 9,181,142,168.37 and 3,133,689,711.63 is: 4,701,493,872.99
Step by Step Solution
- Step 1: Write the proportion equation
6,119,512,548.84 : 9,181,142,168.37 = 3,133,689,711.63 : x - Step 2: Convert to fraction form
6,119,512,548.84/9,181,142,168.37 = 3,133,689,711.63/x - Step 3: Cross multiply
6,119,512,548.84x = 9,181,142,168.37 × 3,133,689,711.63 - Step 4: Simplify right side
6,119,512,548.84x = 28,770,850,754,033,422,336 - Step 5: Solve for x
x = 28,770,850,754,033,422,336/6,119,512,548.84 - Step 6: Final answer
x = 4,701,493,872.99
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1.5x scale
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.