Finding the Fourth Proportional to 3,647,515,849.35, 5,036,042,779.97 and 2,310,592,339.23
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Solution
The fourth proportional to 3,647,515,849.35, 5,036,042,779.97 and 2,310,592,339.23 is: 3,190,182,674.46
Step by Step Solution
- Step 1: Write the proportion equation
3,647,515,849.35 : 5,036,042,779.97 = 2,310,592,339.23 : x - Step 2: Convert to fraction form
3,647,515,849.35/5,036,042,779.97 = 2,310,592,339.23/x - Step 3: Cross multiply
3,647,515,849.35x = 5,036,042,779.97 × 2,310,592,339.23 - Step 4: Simplify right side
3,647,515,849.35x = 11,636,241,867,421,681,664 - Step 5: Solve for x
x = 11,636,241,867,421,681,664/3,647,515,849.35 - Step 6: Final answer
x = 3,190,182,674.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.