Finding the Fourth Proportional to 297,788,491.80, 446,682,737.70 and 221,260,987.80
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Solution
The fourth proportional to 297,788,491.80, 446,682,737.70 and 221,260,987.80 is: 331,891,481.70
Step by Step Solution
- Step 1: Write the proportion equation
297,788,491.80 : 446,682,737.70 = 221,260,987.80 : x - Step 2: Convert to fraction form
297,788,491.80/446,682,737.70 = 221,260,987.80/x - Step 3: Cross multiply
297,788,491.80x = 446,682,737.70 × 221,260,987.80 - Step 4: Simplify right side
297,788,491.80x = 98,833,463,776,710,304 - Step 5: Solve for x
x = 98,833,463,776,710,304/297,788,491.80 - Step 6: Final answer
x = 331,891,481.70
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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.