Finding the Fourth Proportional to 1,356,533,958.70, 2,034,800,938.05 and 335,327,430.70
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Solution
The fourth proportional to 1,356,533,958.70, 2,034,800,938.05 and 335,327,430.70 is: 502,991,146.05
Step by Step Solution
- Step 1: Write the proportion equation
1,356,533,958.70 : 2,034,800,938.05 = 335,327,430.70 : x - Step 2: Convert to fraction form
1,356,533,958.70/2,034,800,938.05 = 335,327,430.70/x - Step 3: Cross multiply
1,356,533,958.70x = 2,034,800,938.05 × 335,327,430.70 - Step 4: Simplify right side
1,356,533,958.70x = 682,324,570,542,256,384 - Step 5: Solve for x
x = 682,324,570,542,256,384/1,356,533,958.70 - Step 6: Final answer
x = 502,991,146.05
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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.