Finding the Fourth Proportional to 8,206,911,221.76, 11,331,097,027.92 and 5,198,833,324.80
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Solution
The fourth proportional to 8,206,911,221.76, 11,331,097,027.92 and 5,198,833,324.80 is: 7,177,911,792.09
Step by Step Solution
- Step 1: Write the proportion equation
8,206,911,221.76 : 11,331,097,027.92 = 5,198,833,324.80 : x - Step 2: Convert to fraction form
8,206,911,221.76/11,331,097,027.92 = 5,198,833,324.80/x - Step 3: Cross multiply
8,206,911,221.76x = 11,331,097,027.92 × 5,198,833,324.80 - Step 4: Simplify right side
8,206,911,221.76x = 58,908,484,835,292,733,440 - Step 5: Solve for x
x = 58,908,484,835,292,733,440/8,206,911,221.76 - Step 6: Final answer
x = 7,177,911,792.09
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1.5x scale
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.