Finding the Fourth Proportional to 11,928,129,896.73, 16,460,868,976.75 and 6,575,572,668.09
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Solution
The fourth proportional to 11,928,129,896.73, 16,460,868,976.75 and 6,575,572,668.09 is: 9,074,317,690.50
Step by Step Solution
- Step 1: Write the proportion equation
11,928,129,896.73 : 16,460,868,976.75 = 6,575,572,668.09 : x - Step 2: Convert to fraction form
11,928,129,896.73/16,460,868,976.75 = 6,575,572,668.09/x - Step 3: Cross multiply
11,928,129,896.73x = 16,460,868,976.75 × 6,575,572,668.09 - Step 4: Simplify right side
11,928,129,896.73x = 108,239,640,136,468,692,992 - Step 5: Solve for x
x = 108,239,640,136,468,692,992/11,928,129,896.73 - Step 6: Final answer
x = 9,074,317,690.50
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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.