Finding the Fourth Proportional to 6,388,348,517.80, 9,582,522,776.70 and 5,299,957,349.80
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Solution
The fourth proportional to 6,388,348,517.80, 9,582,522,776.70 and 5,299,957,349.80 is: 7,949,936,024.70
Step by Step Solution
- Step 1: Write the proportion equation
6,388,348,517.80 : 9,582,522,776.70 = 5,299,957,349.80 : x - Step 2: Convert to fraction form
6,388,348,517.80/9,582,522,776.70 = 5,299,957,349.80/x - Step 3: Cross multiply
6,388,348,517.80x = 9,582,522,776.70 × 5,299,957,349.80 - Step 4: Simplify right side
6,388,348,517.80x = 50,786,962,019,997,073,408 - Step 5: Solve for x
x = 50,786,962,019,997,073,408/6,388,348,517.80 - Step 6: Final answer
x = 7,949,936,024.70
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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.