Finding the Fourth Proportional to 505,331,347.70, 757,997,021.55 and 233,233,555.70
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Solution
The fourth proportional to 505,331,347.70, 757,997,021.55 and 233,233,555.70 is: 349,850,333.55
Step by Step Solution
- Step 1: Write the proportion equation
505,331,347.70 : 757,997,021.55 = 233,233,555.70 : x - Step 2: Convert to fraction form
505,331,347.70/757,997,021.55 = 233,233,555.70/x - Step 3: Cross multiply
505,331,347.70x = 757,997,021.55 × 233,233,555.70 - Step 4: Simplify right side
505,331,347.70x = 176,790,340,546,116,000 - Step 5: Solve for x
x = 176,790,340,546,116,000/505,331,347.70 - Step 6: Final answer
x = 349,850,333.55
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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.