Finding the Fourth Proportional to 373,935,627.99, 560,914,868.89 and 128,288,817.09
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Solution
The fourth proportional to 373,935,627.99, 560,914,868.89 and 128,288,817.09 is: 192,437,145.95
Step by Step Solution
- Step 1: Write the proportion equation
373,935,627.99 : 560,914,868.89 = 128,288,817.09 : x - Step 2: Convert to fraction form
373,935,627.99/560,914,868.89 = 128,288,817.09/x - Step 3: Cross multiply
373,935,627.99x = 560,914,868.89 × 128,288,817.09 - Step 4: Simplify right side
373,935,627.99x = 71,959,105,018,090,544 - Step 5: Solve for x
x = 71,959,105,018,090,544/373,935,627.99 - Step 6: Final answer
x = 192,437,145.95
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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.