Finding the Fourth Proportional to 297,788,601.80, 446,682,902.70 and 221,261,097.80
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Solution
The fourth proportional to 297,788,601.80, 446,682,902.70 and 221,261,097.80 is: 331,891,646.70
Step by Step Solution
- Step 1: Write the proportion equation
297,788,601.80 : 446,682,902.70 = 221,261,097.80 : x - Step 2: Convert to fraction form
297,788,601.80/446,682,902.70 = 221,261,097.80/x - Step 3: Cross multiply
297,788,601.80x = 446,682,902.70 × 221,261,097.80 - Step 4: Simplify right side
297,788,601.80x = 98,833,549,419,892,592 - Step 5: Solve for x
x = 98,833,549,419,892,592/297,788,601.80 - Step 6: Final answer
x = 331,891,646.70
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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.