Finding the Fourth Proportional to 446,412,445.65, 669,731,846.54 and 315,512,272.53
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Solution
The fourth proportional to 446,412,445.65, 669,731,846.54 and 315,512,272.53 is: 473,348,399.99
Step by Step Solution
- Step 1: Write the proportion equation
446,412,445.65 : 669,731,846.54 = 315,512,272.53 : x - Step 2: Convert to fraction form
446,412,445.65/669,731,846.54 = 315,512,272.53/x - Step 3: Cross multiply
446,412,445.65x = 669,731,846.54 × 315,512,272.53 - Step 4: Simplify right side
446,412,445.65x = 211,308,616,885,971,040 - Step 5: Solve for x
x = 211,308,616,885,971,040/446,412,445.65 - Step 6: Final answer
x = 473,348,399.99
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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.