Finding the Fourth Proportional to 29,068,623,343.67, 40,122,163,947.81 and 18,932,609,247.29
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Solution
The fourth proportional to 29,068,623,343.67, 40,122,163,947.81 and 18,932,609,247.29 is: 26,131,861,946.09
Step by Step Solution
- Step 1: Write the proportion equation
29,068,623,343.67 : 40,122,163,947.81 = 18,932,609,247.29 : x - Step 2: Convert to fraction form
29,068,623,343.67/40,122,163,947.81 = 18,932,609,247.29/x - Step 3: Cross multiply
29,068,623,343.67x = 40,122,163,947.81 × 18,932,609,247.29 - Step 4: Simplify right side
29,068,623,343.67x = 759,617,252,179,593,003,008 - Step 5: Solve for x
x = 759,617,252,179,593,003,008/29,068,623,343.67 - Step 6: Final answer
x = 26,131,861,946.09
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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.