Finding the Fourth Proportional to 414,861,845.10, 572,508,170.91 and 229,221,538.26
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Solution
The fourth proportional to 414,861,845.10, 572,508,170.91 and 229,221,538.26 is: 316,325,073.40
Step by Step Solution
- Step 1: Write the proportion equation
414,861,845.10 : 572,508,170.91 = 229,221,538.26 : x - Step 2: Convert to fraction form
414,861,845.10/572,508,170.91 = 229,221,538.26/x - Step 3: Cross multiply
414,861,845.10x = 572,508,170.91 × 229,221,538.26 - Step 4: Simplify right side
414,861,845.10x = 131,231,203,602,409,168 - Step 5: Solve for x
x = 131,231,203,602,409,168/414,861,845.10 - Step 6: Final answer
x = 316,325,073.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.