Finding the Fourth Proportional to 3,092,847,990.39, 4,269,029,610.42 and 2,021,312,515.14
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Solution
The fourth proportional to 3,092,847,990.39, 4,269,029,610.42 and 2,021,312,515.14 is: 2,789,999,057.78
Step by Step Solution
- Step 1: Write the proportion equation
3,092,847,990.39 : 4,269,029,610.42 = 2,021,312,515.14 : x - Step 2: Convert to fraction form
3,092,847,990.39/4,269,029,610.42 = 2,021,312,515.14/x - Step 3: Cross multiply
3,092,847,990.39x = 4,269,029,610.42 × 2,021,312,515.14 - Step 4: Simplify right side
3,092,847,990.39x = 8,629,042,979,045,185,536 - Step 5: Solve for x
x = 8,629,042,979,045,185,536/3,092,847,990.39 - Step 6: Final answer
x = 2,789,999,057.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.