Finding the Fourth Proportional to 7,073,363,537.98, 9,761,272,029.24 and 3,858,343,590.82
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Solution
The fourth proportional to 7,073,363,537.98, 9,761,272,029.24 and 3,858,343,590.82 is: 5,324,530,708.77
Step by Step Solution
- Step 1: Write the proportion equation
7,073,363,537.98 : 9,761,272,029.24 = 3,858,343,590.82 : x - Step 2: Convert to fraction form
7,073,363,537.98/9,761,272,029.24 = 3,858,343,590.82/x - Step 3: Cross multiply
7,073,363,537.98x = 9,761,272,029.24 × 3,858,343,590.82 - Step 4: Simplify right side
7,073,363,537.98x = 37,662,341,372,268,691,456 - Step 5: Solve for x
x = 37,662,341,372,268,691,456/7,073,363,537.98 - Step 6: Final answer
x = 5,324,530,708.77
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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.