Finding the Fourth Proportional to 38,890,774,764.09, 53,639,553,669.84 and 33,474,381,578.73
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Solution
The fourth proportional to 38,890,774,764.09, 53,639,553,669.84 and 33,474,381,578.73 is: 46,169,069,609.66
Step by Step Solution
- Step 1: Write the proportion equation
38,890,774,764.09 : 53,639,553,669.84 = 33,474,381,578.73 : x - Step 2: Convert to fraction form
38,890,774,764.09/53,639,553,669.84 = 33,474,381,578.73/x - Step 3: Cross multiply
38,890,774,764.09x = 53,639,553,669.84 × 33,474,381,578.73 - Step 4: Simplify right side
38,890,774,764.09x = 1,795,550,887,256,991,203,328 - Step 5: Solve for x
x = 1,795,550,887,256,991,203,328/38,890,774,764.09 - Step 6: Final answer
x = 46,169,069,609.66
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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.