Finding the Fourth Proportional to 681,197,745.80, 1,021,796,618.70 and 466,206,897.80
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Solution
The fourth proportional to 681,197,745.80, 1,021,796,618.70 and 466,206,897.80 is: 699,310,346.70
Step by Step Solution
- Step 1: Write the proportion equation
681,197,745.80 : 1,021,796,618.70 = 466,206,897.80 : x - Step 2: Convert to fraction form
681,197,745.80/1,021,796,618.70 = 466,206,897.80/x - Step 3: Cross multiply
681,197,745.80x = 1,021,796,618.70 × 466,206,897.80 - Step 4: Simplify right side
681,197,745.80x = 476,368,631,786,656,512 - Step 5: Solve for x
x = 476,368,631,786,656,512/681,197,745.80 - Step 6: Final answer
x = 699,310,346.70
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1.5x scale
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.