Finding the Fourth Proportional to 402,524,742.70, 603,787,114.05 and 305,778,861.10
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Solution
The fourth proportional to 402,524,742.70, 603,787,114.05 and 305,778,861.10 is: 458,668,291.65
Step by Step Solution
- Step 1: Write the proportion equation
402,524,742.70 : 603,787,114.05 = 305,778,861.10 : x - Step 2: Convert to fraction form
402,524,742.70/603,787,114.05 = 305,778,861.10/x - Step 3: Cross multiply
402,524,742.70x = 603,787,114.05 × 305,778,861.10 - Step 4: Simplify right side
402,524,742.70x = 184,625,336,081,064,800 - Step 5: Solve for x
x = 184,625,336,081,064,800/402,524,742.70 - Step 6: Final answer
x = 458,668,291.65
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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.