Finding the Fourth Proportional to 422,851,441.68, 634,201,570.08 and 269,040,606.48
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Solution
The fourth proportional to 422,851,441.68, 634,201,570.08 and 269,040,606.48 is: 403,512,813.78
Step by Step Solution
- Step 1: Write the proportion equation
422,851,441.68 : 634,201,570.08 = 269,040,606.48 : x - Step 2: Convert to fraction form
422,851,441.68/634,201,570.08 = 269,040,606.48/x - Step 3: Cross multiply
422,851,441.68x = 634,201,570.08 × 269,040,606.48 - Step 4: Simplify right side
422,851,441.68x = 170,625,975,044,891,456 - Step 5: Solve for x
x = 170,625,975,044,891,456/422,851,441.68 - Step 6: Final answer
x = 403,512,813.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.