Finding the Fourth Proportional to 664,303,626.70, 996,455,440.05 and 492,116,742.70
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Solution
The fourth proportional to 664,303,626.70, 996,455,440.05 and 492,116,742.70 is: 738,175,114.05
Step by Step Solution
- Step 1: Write the proportion equation
664,303,626.70 : 996,455,440.05 = 492,116,742.70 : x - Step 2: Convert to fraction form
664,303,626.70/996,455,440.05 = 492,116,742.70/x - Step 3: Cross multiply
664,303,626.70x = 996,455,440.05 × 492,116,742.70 - Step 4: Simplify right side
664,303,626.70x = 490,372,405,403,101,120 - Step 5: Solve for x
x = 490,372,405,403,101,120/664,303,626.70 - Step 6: Final answer
x = 738,175,114.05
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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.