Finding the Fourth Proportional to 545,391,770.40, 818,202,691.80 and 176,898,104.28
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Solution
The fourth proportional to 545,391,770.40, 818,202,691.80 and 176,898,104.28 is: 265,384,468.47
Step by Step Solution
- Step 1: Write the proportion equation
545,391,770.40 : 818,202,691.80 = 176,898,104.28 : x - Step 2: Convert to fraction form
545,391,770.40/818,202,691.80 = 176,898,104.28/x - Step 3: Cross multiply
545,391,770.40x = 818,202,691.80 × 176,898,104.28 - Step 4: Simplify right side
545,391,770.40x = 144,738,505,096,213,088 - Step 5: Solve for x
x = 144,738,505,096,213,088/545,391,770.40 - Step 6: Final answer
x = 265,384,468.47
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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.