Finding the Fourth Proportional to 299,575,846.60, 413,378,863.70 and 165,595,664.12
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Solution
The fourth proportional to 299,575,846.60, 413,378,863.70 and 165,595,664.12 is: 228,502,224.88
Step by Step Solution
- Step 1: Write the proportion equation
299,575,846.60 : 413,378,863.70 = 165,595,664.12 : x - Step 2: Convert to fraction form
299,575,846.60/413,378,863.70 = 165,595,664.12/x - Step 3: Cross multiply
299,575,846.60x = 413,378,863.70 × 165,595,664.12 - Step 4: Simplify right side
299,575,846.60x = 68,453,747,467,572,464 - Step 5: Solve for x
x = 68,453,747,467,572,464/299,575,846.60 - Step 6: Final answer
x = 228,502,224.88
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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.