Finding the Fourth Proportional to 722,021,768.26, 997,324,691.79 and 597,078,644.02
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Solution
The fourth proportional to 722,021,768.26, 997,324,691.79 and 597,078,644.02 is: 824,741,442.43
Step by Step Solution
- Step 1: Write the proportion equation
722,021,768.26 : 997,324,691.79 = 597,078,644.02 : x - Step 2: Convert to fraction form
722,021,768.26/997,324,691.79 = 597,078,644.02/x - Step 3: Cross multiply
722,021,768.26x = 997,324,691.79 × 597,078,644.02 - Step 4: Simplify right side
722,021,768.26x = 595,481,274,621,637,632 - Step 5: Solve for x
x = 595,481,274,621,637,632/722,021,768.26 - Step 6: Final answer
x = 824,741,442.43
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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.