Finding the Fourth Proportional to 277,477,959.18, 382,904,944.81 and 158,395,819.97
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Solution
The fourth proportional to 277,477,959.18, 382,904,944.81 and 158,395,819.97 is: 218,577,875.09
Step by Step Solution
- Step 1: Write the proportion equation
277,477,959.18 : 382,904,944.81 = 158,395,819.97 : x - Step 2: Convert to fraction form
277,477,959.18/382,904,944.81 = 158,395,819.97/x - Step 3: Cross multiply
277,477,959.18x = 382,904,944.81 × 158,395,819.97 - Step 4: Simplify right side
277,477,959.18x = 60,650,542,702,156,888 - Step 5: Solve for x
x = 60,650,542,702,156,888/277,477,959.18 - Step 6: Final answer
x = 218,577,875.09
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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.