Finding the Fourth Proportional to 504,650,609.70, 756,975,914.55 and 493,313,201.70
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Solution
The fourth proportional to 504,650,609.70, 756,975,914.55 and 493,313,201.70 is: 739,969,802.55
Step by Step Solution
- Step 1: Write the proportion equation
504,650,609.70 : 756,975,914.55 = 493,313,201.70 : x - Step 2: Convert to fraction form
504,650,609.70/756,975,914.55 = 493,313,201.70/x - Step 3: Cross multiply
504,650,609.70x = 756,975,914.55 × 493,313,201.70 - Step 4: Simplify right side
504,650,609.70x = 373,426,212,016,446,080 - Step 5: Solve for x
x = 373,426,212,016,446,080/504,650,609.70 - Step 6: Final answer
x = 739,969,802.55
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Double scale
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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.