Finding the Fourth Proportional to 827,457,706.90, 1,241,186,560.35 and 366,906,999.70
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Solution
The fourth proportional to 827,457,706.90, 1,241,186,560.35 and 366,906,999.70 is: 550,360,499.55
Step by Step Solution
- Step 1: Write the proportion equation
827,457,706.90 : 1,241,186,560.35 = 366,906,999.70 : x - Step 2: Convert to fraction form
827,457,706.90/1,241,186,560.35 = 366,906,999.70/x - Step 3: Cross multiply
827,457,706.90x = 1,241,186,560.35 × 366,906,999.70 - Step 4: Simplify right side
827,457,706.90x = 455,400,036,925,981,440 - Step 5: Solve for x
x = 455,400,036,925,981,440/827,457,706.90 - Step 6: Final answer
x = 550,360,499.55
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Similar ratio
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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.