Finding the Fourth Proportional to 395,224,933.06, 545,231,559.99 and 238,541,954.50
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Solution
The fourth proportional to 395,224,933.06, 545,231,559.99 and 238,541,954.50 is: 329,079,951.94
Step by Step Solution
- Step 1: Write the proportion equation
395,224,933.06 : 545,231,559.99 = 238,541,954.50 : x - Step 2: Convert to fraction form
395,224,933.06/545,231,559.99 = 238,541,954.50/x - Step 3: Cross multiply
395,224,933.06x = 545,231,559.99 × 238,541,954.50 - Step 4: Simplify right side
395,224,933.06x = 130,060,601,975,098,608 - Step 5: Solve for x
x = 130,060,601,975,098,608/395,224,933.06 - Step 6: Final answer
x = 329,079,951.94
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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.