Finding the Fourth Proportional to 368,388,611.70, 552,582,917.55 and 368,388,611.70
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Solution
The fourth proportional to 368,388,611.70, 552,582,917.55 and 368,388,611.70 is: 552,582,917.55
Step by Step Solution
- Step 1: Write the proportion equation
368,388,611.70 : 552,582,917.55 = 368,388,611.70 : x - Step 2: Convert to fraction form
368,388,611.70/552,582,917.55 = 368,388,611.70/x - Step 3: Cross multiply
368,388,611.70x = 552,582,917.55 × 368,388,611.70 - Step 4: Simplify right side
368,388,611.70x = 203,565,253,845,380,032 - Step 5: Solve for x
x = 203,565,253,845,380,032/368,388,611.70 - Step 6: Final answer
x = 552,582,917.55
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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.