Finding the Fourth Proportional to 3,060,167,922.80, 4,590,251,884.20 and 1,121,219,212.40
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Solution
The fourth proportional to 3,060,167,922.80, 4,590,251,884.20 and 1,121,219,212.40 is: 1,681,828,818.60
Step by Step Solution
- Step 1: Write the proportion equation
3,060,167,922.80 : 4,590,251,884.20 = 1,121,219,212.40 : x - Step 2: Convert to fraction form
3,060,167,922.80/4,590,251,884.20 = 1,121,219,212.40/x - Step 3: Cross multiply
3,060,167,922.80x = 4,590,251,884.20 × 1,121,219,212.40 - Step 4: Simplify right side
3,060,167,922.80x = 5,146,678,602,320,339,968 - Step 5: Solve for x
x = 5,146,678,602,320,339,968/3,060,167,922.80 - Step 6: Final answer
x = 1,681,828,818.60
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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.