Finding the Fourth Proportional to 3,258,538,861.70, 4,887,808,292.55 and 804,875,764.70
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Solution
The fourth proportional to 3,258,538,861.70, 4,887,808,292.55 and 804,875,764.70 is: 1,207,313,647.05
Step by Step Solution
- Step 1: Write the proportion equation
3,258,538,861.70 : 4,887,808,292.55 = 804,875,764.70 : x - Step 2: Convert to fraction form
3,258,538,861.70/4,887,808,292.55 = 804,875,764.70/x - Step 3: Cross multiply
3,258,538,861.70x = 4,887,808,292.55 × 804,875,764.70 - Step 4: Simplify right side
3,258,538,861.70x = 3,934,078,437,173,182,976 - Step 5: Solve for x
x = 3,934,078,437,173,182,976/3,258,538,861.70 - Step 6: Final answer
x = 1,207,313,647.05
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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.