Finding the Fourth Proportional to 3,081,720,722,625, 4,252,784,534,558.60 and 1,711,496,174,541.40
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Solution
The fourth proportional to 3,081,720,722,625, 4,252,784,534,558.60 and 1,711,496,174,541.40 is: 2,361,870,239,768.50
Step by Step Solution
- Step 1: Write the proportion equation
3,081,720,722,625 : 4,252,784,534,558.60 = 1,711,496,174,541.40 : x - Step 2: Convert to fraction form
3,081,720,722,625/4,252,784,534,558.60 = 1,711,496,174,541.40/x - Step 3: Cross multiply
3,081,720,722,625x = 4,252,784,534,558.60 × 1,711,496,174,541.40 - Step 4: Simplify right side
3,081,720,722,625x = 7,278,624,462,045,872,218,177,536 - Step 5: Solve for x
x = 7,278,624,462,045,872,218,177,536/3,081,720,722,625 - Step 6: Final answer
x = 2,361,870,239,768.50
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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.