Finding the Fourth Proportional to 996,421,203.80, 1,494,631,805.70 and 996,421,203.80
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Solution
The fourth proportional to 996,421,203.80, 1,494,631,805.70 and 996,421,203.80 is: 1,494,631,805.70
Step by Step Solution
- Step 1: Write the proportion equation
996,421,203.80 : 1,494,631,805.70 = 996,421,203.80 : x - Step 2: Convert to fraction form
996,421,203.80/1,494,631,805.70 = 996,421,203.80/x - Step 3: Cross multiply
996,421,203.80x = 1,494,631,805.70 × 996,421,203.80 - Step 4: Simplify right side
996,421,203.80x = 1,489,282,823,073,361,664 - Step 5: Solve for x
x = 1,489,282,823,073,361,664/996,421,203.80 - Step 6: Final answer
x = 1,494,631,805.70
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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.