Finding the Fourth Proportional to 497,910,359.80, 746,865,539.70 and 268,327,847.80
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Solution
The fourth proportional to 497,910,359.80, 746,865,539.70 and 268,327,847.80 is: 402,491,771.70
Step by Step Solution
- Step 1: Write the proportion equation
497,910,359.80 : 746,865,539.70 = 268,327,847.80 : x - Step 2: Convert to fraction form
497,910,359.80/746,865,539.70 = 268,327,847.80/x - Step 3: Cross multiply
497,910,359.80x = 746,865,539.70 × 268,327,847.80 - Step 4: Simplify right side
497,910,359.80x = 200,404,822,863,686,464 - Step 5: Solve for x
x = 200,404,822,863,686,464/497,910,359.80 - Step 6: Final answer
x = 402,491,771.70
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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.