Finding the Fourth Proportional to 76,847,438,842.56, 106,043,675,399.76 and 46,770,599,220.48
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Solution
The fourth proportional to 76,847,438,842.56, 106,043,675,399.76 and 46,770,599,220.48 is: 64,539,902,912.70
Step by Step Solution
- Step 1: Write the proportion equation
76,847,438,842.56 : 106,043,675,399.76 = 46,770,599,220.48 : x - Step 2: Convert to fraction form
76,847,438,842.56/106,043,675,399.76 = 46,770,599,220.48/x - Step 3: Cross multiply
76,847,438,842.56x = 106,043,675,399.76 × 46,770,599,220.48 - Step 4: Simplify right side
76,847,438,842.56x = 4,959,726,241,988,849,172,480 - Step 5: Solve for x
x = 4,959,726,241,988,849,172,480/76,847,438,842.56 - Step 6: Final answer
x = 64,539,902,912.70
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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.