Finding the Fourth Proportional to 5,417,557,687.80, 8,126,336,531.70 and 4,591,060,644.60
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Solution
The fourth proportional to 5,417,557,687.80, 8,126,336,531.70 and 4,591,060,644.60 is: 6,886,590,966.90
Step by Step Solution
- Step 1: Write the proportion equation
5,417,557,687.80 : 8,126,336,531.70 = 4,591,060,644.60 : x - Step 2: Convert to fraction form
5,417,557,687.80/8,126,336,531.70 = 4,591,060,644.60/x - Step 3: Cross multiply
5,417,557,687.80x = 8,126,336,531.70 × 4,591,060,644.60 - Step 4: Simplify right side
5,417,557,687.80x = 37,308,503,835,463,131,136 - Step 5: Solve for x
x = 37,308,503,835,463,131,136/5,417,557,687.80 - Step 6: Final answer
x = 6,886,590,966.90
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1.5x scale
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.