Finding the Fourth Proportional to 3,330,862,403.15, 4,996,255,086.02 and 809,804,914.05
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Solution
The fourth proportional to 3,330,862,403.15, 4,996,255,086.02 and 809,804,914.05 is: 1,214,698,006.35
Step by Step Solution
- Step 1: Write the proportion equation
3,330,862,403.15 : 4,996,255,086.02 = 809,804,914.05 : x - Step 2: Convert to fraction form
3,330,862,403.15/4,996,255,086.02 = 809,804,914.05/x - Step 3: Cross multiply
3,330,862,403.15x = 4,996,255,086.02 × 809,804,914.05 - Step 4: Simplify right side
3,330,862,403.15x = 4,045,991,920,522,608,128 - Step 5: Solve for x
x = 4,045,991,920,522,608,128/3,330,862,403.15 - Step 6: Final answer
x = 1,214,698,006.35
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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.