Finding the Fourth Proportional to 4,915,320,828.96, 7,372,988,339.68 and 2,007,275,676.96
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Solution
The fourth proportional to 4,915,320,828.96, 7,372,988,339.68 and 2,007,275,676.96 is: 3,010,916,413.34
Step by Step Solution
- Step 1: Write the proportion equation
4,915,320,828.96 : 7,372,988,339.68 = 2,007,275,676.96 : x - Step 2: Convert to fraction form
4,915,320,828.96/7,372,988,339.68 = 2,007,275,676.96/x - Step 3: Cross multiply
4,915,320,828.96x = 7,372,988,339.68 × 2,007,275,676.96 - Step 4: Simplify right side
4,915,320,828.96x = 14,799,620,160,749,359,104 - Step 5: Solve for x
x = 14,799,620,160,749,359,104/4,915,320,828.96 - Step 6: Final answer
x = 3,010,916,413.34
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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.