Finding the Fourth Proportional to 1,515,691,058.29, 2,273,616,879.64 and 467,149,443.54
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Solution
The fourth proportional to 1,515,691,058.29, 2,273,616,879.64 and 467,149,443.54 is: 700,748,912.09
Step by Step Solution
- Step 1: Write the proportion equation
1,515,691,058.29 : 2,273,616,879.64 = 467,149,443.54 : x - Step 2: Convert to fraction form
1,515,691,058.29/2,273,616,879.64 = 467,149,443.54/x - Step 3: Cross multiply
1,515,691,058.29x = 2,273,616,879.64 × 467,149,443.54 - Step 4: Simplify right side
1,515,691,058.29x = 1,062,118,860,155,906,688 - Step 5: Solve for x
x = 1,062,118,860,155,906,688/1,515,691,058.29 - Step 6: Final answer
x = 700,748,912.09
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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.