Finding the Fourth Proportional to 395,120,380.80, 592,702,966.08 and 122,529,901.44
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Solution
The fourth proportional to 395,120,380.80, 592,702,966.08 and 122,529,901.44 is: 183,801,796.99
Step by Step Solution
- Step 1: Write the proportion equation
395,120,380.80 : 592,702,966.08 = 122,529,901.44 : x - Step 2: Convert to fraction form
395,120,380.80/592,702,966.08 = 122,529,901.44/x - Step 3: Cross multiply
395,120,380.80x = 592,702,966.08 × 122,529,901.44 - Step 4: Simplify right side
395,120,380.80x = 72,623,836,016,978,064 - Step 5: Solve for x
x = 72,623,836,016,978,064/395,120,380.80 - Step 6: Final answer
x = 183,801,796.99
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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.