Finding the Fourth Proportional to 7,458,512,073.92, 10,292,745,110.08 and 4,117,009,470.72
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Solution
The fourth proportional to 7,458,512,073.92, 10,292,745,110.08 and 4,117,009,470.72 is: 5,681,472,212.95
Step by Step Solution
- Step 1: Write the proportion equation
7,458,512,073.92 : 10,292,745,110.08 = 4,117,009,470.72 : x - Step 2: Convert to fraction form
7,458,512,073.92/10,292,745,110.08 = 4,117,009,470.72/x - Step 3: Cross multiply
7,458,512,073.92x = 10,292,745,110.08 × 4,117,009,470.72 - Step 4: Simplify right side
7,458,512,073.92x = 42,375,329,097,906,323,456 - Step 5: Solve for x
x = 42,375,329,097,906,323,456/7,458,512,073.92 - Step 6: Final answer
x = 5,681,472,212.95
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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.