Finding the Fourth Proportional to 603,614,458.05, 905,421,687.08 and 603,614,458.05
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Solution
The fourth proportional to 603,614,458.05, 905,421,687.08 and 603,614,458.05 is: 905,421,687.08
Step by Step Solution
- Step 1: Write the proportion equation
603,614,458.05 : 905,421,687.08 = 603,614,458.05 : x - Step 2: Convert to fraction form
603,614,458.05/905,421,687.08 = 603,614,458.05/x - Step 3: Cross multiply
603,614,458.05x = 905,421,687.08 × 603,614,458.05 - Step 4: Simplify right side
603,614,458.05x = 546,525,620,950,492,800 - Step 5: Solve for x
x = 546,525,620,950,492,800/603,614,458.05 - Step 6: Final answer
x = 905,421,687.08
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Similar ratio
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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.