Finding the Fourth Proportional to 1,157,301,210.35, 1,596,886,351.97 and 681,392,629.17
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Solution
The fourth proportional to 1,157,301,210.35, 1,596,886,351.97 and 681,392,629.17 is: 940,210,361.94
Step by Step Solution
- Step 1: Write the proportion equation
1,157,301,210.35 : 1,596,886,351.97 = 681,392,629.17 : x - Step 2: Convert to fraction form
1,157,301,210.35/1,596,886,351.97 = 681,392,629.17/x - Step 3: Cross multiply
1,157,301,210.35x = 1,596,886,351.97 × 681,392,629.17 - Step 4: Simplify right side
1,157,301,210.35x = 1,088,106,589,851,121,280 - Step 5: Solve for x
x = 1,088,106,589,851,121,280/1,157,301,210.35 - Step 6: Final answer
x = 940,210,361.94
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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.