Finding the Fourth Proportional to 3,290,365,644.04, 4,901,350,235.09 and 3,112,148,676.16
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Solution
The fourth proportional to 3,290,365,644.04, 4,901,350,235.09 and 3,112,148,676.16 is: 4,635,877,071.34
Step by Step Solution
- Step 1: Write the proportion equation
3,290,365,644.04 : 4,901,350,235.09 = 3,112,148,676.16 : x - Step 2: Convert to fraction form
3,290,365,644.04/4,901,350,235.09 = 3,112,148,676.16/x - Step 3: Cross multiply
3,290,365,644.04x = 4,901,350,235.09 × 3,112,148,676.16 - Step 4: Simplify right side
3,290,365,644.04x = 15,253,730,645,531,848,704 - Step 5: Solve for x
x = 15,253,730,645,531,848,704/3,290,365,644.04 - Step 6: Final answer
x = 4,635,877,071.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.