Finding the Fourth Proportional to 297,832,218.80, 446,748,328.20 and 201,086,337.20
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Solution
The fourth proportional to 297,832,218.80, 446,748,328.20 and 201,086,337.20 is: 301,629,505.80
Step by Step Solution
- Step 1: Write the proportion equation
297,832,218.80 : 446,748,328.20 = 201,086,337.20 : x - Step 2: Convert to fraction form
297,832,218.80/446,748,328.20 = 201,086,337.20/x - Step 3: Cross multiply
297,832,218.80x = 446,748,328.20 × 201,086,337.20 - Step 4: Simplify right side
297,832,218.80x = 89,834,984,967,961,456 - Step 5: Solve for x
x = 89,834,984,967,961,456/297,832,218.80 - Step 6: Final answer
x = 301,629,505.80
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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.