Finding the Fourth Proportional to 6,478,532,782.24, 8,940,383,861.52 and 3,508,314,155.68
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Solution
The fourth proportional to 6,478,532,782.24, 8,940,383,861.52 and 3,508,314,155.68 is: 4,841,478,203.92
Step by Step Solution
- Step 1: Write the proportion equation
6,478,532,782.24 : 8,940,383,861.52 = 3,508,314,155.68 : x - Step 2: Convert to fraction form
6,478,532,782.24/8,940,383,861.52 = 3,508,314,155.68/x - Step 3: Cross multiply
6,478,532,782.24x = 8,940,383,861.52 × 3,508,314,155.68 - Step 4: Simplify right side
6,478,532,782.24x = 31,365,675,258,583,638,016 - Step 5: Solve for x
x = 31,365,675,258,583,638,016/6,478,532,782.24 - Step 6: Final answer
x = 4,841,478,203.92
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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.