Finding the Fourth Proportional to 68,620,407,715.80, 102,930,611,573.70 and 24,438,528,739.80
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Solution
The fourth proportional to 68,620,407,715.80, 102,930,611,573.70 and 24,438,528,739.80 is: 36,657,793,109.70
Step by Step Solution
- Step 1: Write the proportion equation
68,620,407,715.80 : 102,930,611,573.70 = 24,438,528,739.80 : x - Step 2: Convert to fraction form
68,620,407,715.80/102,930,611,573.70 = 24,438,528,739.80/x - Step 3: Cross multiply
68,620,407,715.80x = 102,930,611,573.70 × 24,438,528,739.80 - Step 4: Simplify right side
68,620,407,715.80x = 2,515,472,709,149,057,875,968 - Step 5: Solve for x
x = 2,515,472,709,149,057,875,968/68,620,407,715.80 - Step 6: Final answer
x = 36,657,793,109.70
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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.