Finding the Fourth Proportional to 622,767,146.92, 859,597,986.50 and 411,228,415.08
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Solution
The fourth proportional to 622,767,146.92, 859,597,986.50 and 411,228,415.08 is: 567,613,624.68
Step by Step Solution
- Step 1: Write the proportion equation
622,767,146.92 : 859,597,986.50 = 411,228,415.08 : x - Step 2: Convert to fraction form
622,767,146.92/859,597,986.50 = 411,228,415.08/x - Step 3: Cross multiply
622,767,146.92x = 859,597,986.50 × 411,228,415.08 - Step 4: Simplify right side
622,767,146.92x = 353,491,117,594,354,240 - Step 5: Solve for x
x = 353,491,117,594,354,240/622,767,146.92 - Step 6: Final answer
x = 567,613,624.68
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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.