Finding the Fourth Proportional to 456,801,938.24, 685,290,999.95 and 194,481,684.99
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Solution
The fourth proportional to 456,801,938.24, 685,290,999.95 and 194,481,684.99 is: 291,760,032.57
Step by Step Solution
- Step 1: Write the proportion equation
456,801,938.24 : 685,290,999.95 = 194,481,684.99 : x - Step 2: Convert to fraction form
456,801,938.24/685,290,999.95 = 194,481,684.99/x - Step 3: Cross multiply
456,801,938.24x = 685,290,999.95 × 194,481,684.99 - Step 4: Simplify right side
456,801,938.24x = 133,276,548,378,758,016 - Step 5: Solve for x
x = 133,276,548,378,758,016/456,801,938.24 - Step 6: Final answer
x = 291,760,032.57
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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.