Finding the Fourth Proportional to 4,137,372,148.40, 6,209,081,531.40 and 2,912,932,084.40
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Solution
The fourth proportional to 4,137,372,148.40, 6,209,081,531.40 and 2,912,932,084.40 is: 4,371,526,698.28
Step by Step Solution
- Step 1: Write the proportion equation
4,137,372,148.40 : 6,209,081,531.40 = 2,912,932,084.40 : x - Step 2: Convert to fraction form
4,137,372,148.40/6,209,081,531.40 = 2,912,932,084.40/x - Step 3: Cross multiply
4,137,372,148.40x = 6,209,081,531.40 × 2,912,932,084.40 - Step 4: Simplify right side
4,137,372,148.40x = 18,086,632,807,470,544,896 - Step 5: Solve for x
x = 18,086,632,807,470,544,896/4,137,372,148.40 - Step 6: Final answer
x = 4,371,526,698.28
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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.