Finding the Fourth Proportional to 4,251,643,795.40, 6,377,465,693.10 and 4,194,312,902.60
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Solution
The fourth proportional to 4,251,643,795.40, 6,377,465,693.10 and 4,194,312,902.60 is: 6,291,469,353.90
Step by Step Solution
- Step 1: Write the proportion equation
4,251,643,795.40 : 6,377,465,693.10 = 4,194,312,902.60 : x - Step 2: Convert to fraction form
4,251,643,795.40/6,377,465,693.10 = 4,194,312,902.60/x - Step 3: Cross multiply
4,251,643,795.40x = 6,377,465,693.10 × 4,194,312,902.60 - Step 4: Simplify right side
4,251,643,795.40x = 26,749,086,642,458,181,632 - Step 5: Solve for x
x = 26,749,086,642,458,181,632/4,251,643,795.40 - Step 6: Final answer
x = 6,291,469,353.90
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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.