Finding the Fourth Proportional to 84,431,881,585.95, 126,669,259,287.26 and 39,085,281,905.19
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Solution
The fourth proportional to 84,431,881,585.95, 126,669,259,287.26 and 39,085,281,905.19 is: 58,637,846,450.51
Step by Step Solution
- Step 1: Write the proportion equation
84,431,881,585.95 : 126,669,259,287.26 = 39,085,281,905.19 : x - Step 2: Convert to fraction form
84,431,881,585.95/126,669,259,287.26 = 39,085,281,905.19/x - Step 3: Cross multiply
84,431,881,585.95x = 126,669,259,287.26 × 39,085,281,905.19 - Step 4: Simplify right side
84,431,881,585.95x = 4,950,903,707,964,163,489,792 - Step 5: Solve for x
x = 4,950,903,707,964,163,489,792/84,431,881,585.95 - Step 6: Final answer
x = 58,637,846,450.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.