Finding the Fourth Proportional to 415,544,043.20, 573,450,475.28 and 227,373,572.68
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Solution
The fourth proportional to 415,544,043.20, 573,450,475.28 and 227,373,572.68 is: 313,775,363.77
Step by Step Solution
- Step 1: Write the proportion equation
415,544,043.20 : 573,450,475.28 = 227,373,572.68 : x - Step 2: Convert to fraction form
415,544,043.20/573,450,475.28 = 227,373,572.68/x - Step 3: Cross multiply
415,544,043.20x = 573,450,475.28 × 227,373,572.68 - Step 4: Simplify right side
415,544,043.20x = 130,387,483,319,457,616 - Step 5: Solve for x
x = 130,387,483,319,457,616/415,544,043.20 - Step 6: Final answer
x = 313,775,363.77
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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.