Finding the Fourth Proportional to 773,558,846.80, 1,160,338,270.20 and 620,503,838.80
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Solution
The fourth proportional to 773,558,846.80, 1,160,338,270.20 and 620,503,838.80 is: 930,755,758.20
Step by Step Solution
- Step 1: Write the proportion equation
773,558,846.80 : 1,160,338,270.20 = 620,503,838.80 : x - Step 2: Convert to fraction form
773,558,846.80/1,160,338,270.20 = 620,503,838.80/x - Step 3: Cross multiply
773,558,846.80x = 1,160,338,270.20 × 620,503,838.80 - Step 4: Simplify right side
773,558,846.80x = 719,994,350,965,651,584 - Step 5: Solve for x
x = 719,994,350,965,651,584/773,558,846.80 - Step 6: Final answer
x = 930,755,758.20
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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.