Finding the Fourth Proportional to 495,433,537.87, 743,133,475.75 and 126,972,108.13
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Solution
The fourth proportional to 495,433,537.87, 743,133,475.75 and 126,972,108.13 is: 190,453,848.65
Step by Step Solution
- Step 1: Write the proportion equation
495,433,537.87 : 743,133,475.75 = 126,972,108.13 : x - Step 2: Convert to fraction form
495,433,537.87/743,133,475.75 = 126,972,108.13/x - Step 3: Cross multiply
495,433,537.87x = 743,133,475.75 × 126,972,108.13 - Step 4: Simplify right side
495,433,537.87x = 94,357,224,037,951,728 - Step 5: Solve for x
x = 94,357,224,037,951,728/495,433,537.87 - Step 6: Final answer
x = 190,453,848.65
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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.