Finding the Fourth Proportional to 4,251,643,803.40, 6,377,465,705.10 and 4,194,312,910.60
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Solution
The fourth proportional to 4,251,643,803.40, 6,377,465,705.10 and 4,194,312,910.60 is: 6,291,469,365.90
Step by Step Solution
- Step 1: Write the proportion equation
4,251,643,803.40 : 6,377,465,705.10 = 4,194,312,910.60 : x - Step 2: Convert to fraction form
4,251,643,803.40/6,377,465,705.10 = 4,194,312,910.60/x - Step 3: Cross multiply
4,251,643,803.40x = 6,377,465,705.10 × 4,194,312,910.60 - Step 4: Simplify right side
4,251,643,803.40x = 26,749,086,743,809,662,976 - Step 5: Solve for x
x = 26,749,086,743,809,662,976/4,251,643,803.40 - Step 6: Final answer
x = 6,291,469,365.90
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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.