Finding the Fourth Proportional to 2,192,205,128.80, 3,288,307,693.20 and 1,494,848,248.60
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Solution
The fourth proportional to 2,192,205,128.80, 3,288,307,693.20 and 1,494,848,248.60 is: 2,242,272,372.90
Step by Step Solution
- Step 1: Write the proportion equation
2,192,205,128.80 : 3,288,307,693.20 = 1,494,848,248.60 : x - Step 2: Convert to fraction form
2,192,205,128.80/3,288,307,693.20 = 1,494,848,248.60/x - Step 3: Cross multiply
2,192,205,128.80x = 3,288,307,693.20 × 1,494,848,248.60 - Step 4: Simplify right side
2,192,205,128.80x = 4,915,520,996,037,925,888 - Step 5: Solve for x
x = 4,915,520,996,037,925,888/2,192,205,128.80 - Step 6: Final answer
x = 2,242,272,372.90
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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.