Finding the Fourth Proportional to 833,644,622.76, 1,250,343,932.43 and 243,276,348.09
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Solution
The fourth proportional to 833,644,622.76, 1,250,343,932.43 and 243,276,348.09 is: 364,878,627.46
Step by Step Solution
- Step 1: Write the proportion equation
833,644,622.76 : 1,250,343,932.43 = 243,276,348.09 : x - Step 2: Convert to fraction form
833,644,622.76/1,250,343,932.43 = 243,276,348.09/x - Step 3: Cross multiply
833,644,622.76x = 1,250,343,932.43 × 243,276,348.09 - Step 4: Simplify right side
833,644,622.76x = 304,179,105,738,060,160 - Step 5: Solve for x
x = 304,179,105,738,060,160/833,644,622.76 - Step 6: Final answer
x = 364,878,627.46
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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.