Finding the Fourth Proportional to 5,979,101,074.40, 8,968,651,611.60 and 5,679,793,503.20
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Solution
The fourth proportional to 5,979,101,074.40, 8,968,651,611.60 and 5,679,793,503.20 is: 8,519,690,254.80
Step by Step Solution
- Step 1: Write the proportion equation
5,979,101,074.40 : 8,968,651,611.60 = 5,679,793,503.20 : x - Step 2: Convert to fraction form
5,979,101,074.40/8,968,651,611.60 = 5,679,793,503.20/x - Step 3: Cross multiply
5,979,101,074.40x = 8,968,651,611.60 × 5,679,793,503.20 - Step 4: Simplify right side
5,979,101,074.40x = 50,940,089,156,029,890,560 - Step 5: Solve for x
x = 50,940,089,156,029,890,560/5,979,101,074.40 - Step 6: Final answer
x = 8,519,690,254.80
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Double scale
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Similar ratio
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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.