Finding the Fourth Proportional to 339,605,459.76, 468,657,121.55 and 192,935,791.92
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Solution
The fourth proportional to 339,605,459.76, 468,657,121.55 and 192,935,791.92 is: 266,252,294.50
Step by Step Solution
- Step 1: Write the proportion equation
339,605,459.76 : 468,657,121.55 = 192,935,791.92 : x - Step 2: Convert to fraction form
339,605,459.76/468,657,121.55 = 192,935,791.92/x - Step 3: Cross multiply
339,605,459.76x = 468,657,121.55 × 192,935,791.92 - Step 4: Simplify right side
339,605,459.76x = 90,420,732,885,989,744 - Step 5: Solve for x
x = 90,420,732,885,989,744/339,605,459.76 - Step 6: Final answer
x = 266,252,294.50
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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.