Finding the Fourth Proportional to 776,366,912.08, 1,163,687,770.77 and 591,525,007.21
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Solution
The fourth proportional to 776,366,912.08, 1,163,687,770.77 and 591,525,007.21 is: 886,630,285.61
Step by Step Solution
- Step 1: Write the proportion equation
776,366,912.08 : 1,163,687,770.77 = 591,525,007.21 : x - Step 2: Convert to fraction form
776,366,912.08/1,163,687,770.77 = 591,525,007.21/x - Step 3: Cross multiply
776,366,912.08x = 1,163,687,770.77 × 591,525,007.21 - Step 4: Simplify right side
776,366,912.08x = 688,350,416,994,913,152 - Step 5: Solve for x
x = 688,350,416,994,913,152/776,366,912.08 - Step 6: Final answer
x = 886,630,285.61
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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.