Finding the Fourth Proportional to 371,168,893.74, 512,156,133.96 and 214,505,748.02
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Solution
The fourth proportional to 371,168,893.74, 512,156,133.96 and 214,505,748.02 is: 295,985,025.88
Step by Step Solution
- Step 1: Write the proportion equation
371,168,893.74 : 512,156,133.96 = 214,505,748.02 : x - Step 2: Convert to fraction form
371,168,893.74/512,156,133.96 = 214,505,748.02/x - Step 3: Cross multiply
371,168,893.74x = 512,156,133.96 × 214,505,748.02 - Step 4: Simplify right side
371,168,893.74x = 109,860,434,618,121,120 - Step 5: Solve for x
x = 109,860,434,618,121,120/371,168,893.74 - Step 6: Final answer
x = 295,985,025.88
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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.