Finding the Fourth Proportional to 8,912,551,635.97, 12,299,616,221.10 and 4,898,364,190.12
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Solution
The fourth proportional to 8,912,551,635.97, 12,299,616,221.10 and 4,898,364,190.12 is: 6,759,904,695.13
Step by Step Solution
- Step 1: Write the proportion equation
8,912,551,635.97 : 12,299,616,221.10 = 4,898,364,190.12 : x - Step 2: Convert to fraction form
8,912,551,635.97/12,299,616,221.10 = 4,898,364,190.12/x - Step 3: Cross multiply
8,912,551,635.97x = 12,299,616,221.10 × 4,898,364,190.12 - Step 4: Simplify right side
8,912,551,635.97x = 60,247,999,649,609,875,456 - Step 5: Solve for x
x = 60,247,999,649,609,875,456/8,912,551,635.97 - Step 6: Final answer
x = 6,759,904,695.13
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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.