Finding the Fourth Proportional to 3,534,193,280.40, 5,301,289,920.60 and 1,207,757,158.80
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Solution
The fourth proportional to 3,534,193,280.40, 5,301,289,920.60 and 1,207,757,158.80 is: 1,811,635,738.20
Step by Step Solution
- Step 1: Write the proportion equation
3,534,193,280.40 : 5,301,289,920.60 = 1,207,757,158.80 : x - Step 2: Convert to fraction form
3,534,193,280.40/5,301,289,920.60 = 1,207,757,158.80/x - Step 3: Cross multiply
3,534,193,280.40x = 5,301,289,920.60 × 1,207,757,158.80 - Step 4: Simplify right side
3,534,193,280.40x = 6,402,670,852,478,934,016 - Step 5: Solve for x
x = 6,402,670,852,478,934,016/3,534,193,280.40 - Step 6: Final answer
x = 1,811,635,738.20
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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.