Finding the Fourth Proportional to 444,871,691.80, 667,307,537.70 and 414,638,603.80
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Solution
The fourth proportional to 444,871,691.80, 667,307,537.70 and 414,638,603.80 is: 621,957,905.70
Step by Step Solution
- Step 1: Write the proportion equation
444,871,691.80 : 667,307,537.70 = 414,638,603.80 : x - Step 2: Convert to fraction form
444,871,691.80/667,307,537.70 = 414,638,603.80/x - Step 3: Cross multiply
444,871,691.80x = 667,307,537.70 × 414,638,603.80 - Step 4: Simplify right side
444,871,691.80x = 276,691,465,737,143,904 - Step 5: Solve for x
x = 276,691,465,737,143,904/444,871,691.80 - Step 6: Final answer
x = 621,957,905.70
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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.