Finding the Fourth Proportional to 328,515,824.60, 453,351,801.29 and 177,808,454.63
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Solution
The fourth proportional to 328,515,824.60, 453,351,801.29 and 177,808,454.63 is: 245,375,647.54
Step by Step Solution
- Step 1: Write the proportion equation
328,515,824.60 : 453,351,801.29 = 177,808,454.63 : x - Step 2: Convert to fraction form
328,515,824.60/453,351,801.29 = 177,808,454.63/x - Step 3: Cross multiply
328,515,824.60x = 453,351,801.29 × 177,808,454.63 - Step 4: Simplify right side
328,515,824.60x = 80,609,783,187,945,936 - Step 5: Solve for x
x = 80,609,783,187,945,936/328,515,824.60 - Step 6: Final answer
x = 245,375,647.54
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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.