Finding the Fourth Proportional to 6,298,592,647.70, 9,447,888,971.55 and 2,156,659,591.70
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Solution
The fourth proportional to 6,298,592,647.70, 9,447,888,971.55 and 2,156,659,591.70 is: 3,234,989,387.55
Step by Step Solution
- Step 1: Write the proportion equation
6,298,592,647.70 : 9,447,888,971.55 = 2,156,659,591.70 : x - Step 2: Convert to fraction form
6,298,592,647.70/9,447,888,971.55 = 2,156,659,591.70/x - Step 3: Cross multiply
6,298,592,647.70x = 9,447,888,971.55 × 2,156,659,591.70 - Step 4: Simplify right side
6,298,592,647.70x = 20,375,880,371,809,951,744 - Step 5: Solve for x
x = 20,375,880,371,809,951,744/6,298,592,647.70 - Step 6: Final answer
x = 3,234,989,387.55
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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.