Finding the Fourth Proportional to 486,474,225.68, 729,711,337.80 and 122,968,581.68
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Solution
The fourth proportional to 486,474,225.68, 729,711,337.80 and 122,968,581.68 is: 184,452,872.34
Step by Step Solution
- Step 1: Write the proportion equation
486,474,225.68 : 729,711,337.80 = 122,968,581.68 : x - Step 2: Convert to fraction form
486,474,225.68/729,711,337.80 = 122,968,581.68/x - Step 3: Cross multiply
486,474,225.68x = 729,711,337.80 × 122,968,581.68 - Step 4: Simplify right side
486,474,225.68x = 89,731,568,245,081,376 - Step 5: Solve for x
x = 89,731,568,245,081,376/486,474,225.68 - Step 6: Final answer
x = 184,452,872.34
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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.