Finding the Fourth Proportional to 3,290,365,644.54, 4,901,350,235.84 and 3,112,148,676.66
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Solution
The fourth proportional to 3,290,365,644.54, 4,901,350,235.84 and 3,112,148,676.66 is: 4,635,877,072.09
Step by Step Solution
- Step 1: Write the proportion equation
3,290,365,644.54 : 4,901,350,235.84 = 3,112,148,676.66 : x - Step 2: Convert to fraction form
3,290,365,644.54/4,901,350,235.84 = 3,112,148,676.66/x - Step 3: Cross multiply
3,290,365,644.54x = 4,901,350,235.84 × 3,112,148,676.66 - Step 4: Simplify right side
3,290,365,644.54x = 15,253,730,650,301,073,408 - Step 5: Solve for x
x = 15,253,730,650,301,073,408/3,290,365,644.54 - Step 6: Final answer
x = 4,635,877,072.09
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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.