Finding the Fourth Proportional to 318,926,410.80, 446,799,306 and 318,926,410.80
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Solution
The fourth proportional to 318,926,410.80, 446,799,306 and 318,926,410.80 is: 446,799,306
Step by Step Solution
- Step 1: Write the proportion equation
318,926,410.80 : 446,799,306 = 318,926,410.80 : x - Step 2: Convert to fraction form
318,926,410.80/446,799,306 = 318,926,410.80/x - Step 3: Cross multiply
318,926,410.80x = 446,799,306 × 318,926,410.80 - Step 4: Simplify right side
318,926,410.80x = 142,496,099,010,510,912 - Step 5: Solve for x
x = 142,496,099,010,510,912/318,926,410.80 - Step 6: Final answer
x = 446,799,306
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.