Finding the Fourth Proportional to 385,551,334.08, 578,409,967.46 and 119,651,794.52
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Solution
The fourth proportional to 385,551,334.08, 578,409,967.46 and 119,651,794.52 is: 179,503,439.50
Step by Step Solution
- Step 1: Write the proportion equation
385,551,334.08 : 578,409,967.46 = 119,651,794.52 : x - Step 2: Convert to fraction form
385,551,334.08/578,409,967.46 = 119,651,794.52/x - Step 3: Cross multiply
385,551,334.08x = 578,409,967.46 × 119,651,794.52 - Step 4: Simplify right side
385,551,334.08x = 69,207,790,572,250,880 - Step 5: Solve for x
x = 69,207,790,572,250,880/385,551,334.08 - Step 6: Final answer
x = 179,503,439.50
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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.