Finding the Fourth Proportional to 485,118,224.70, 727,677,337.05 and 266,684,163.90
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Solution
The fourth proportional to 485,118,224.70, 727,677,337.05 and 266,684,163.90 is: 400,026,245.85
Step by Step Solution
- Step 1: Write the proportion equation
485,118,224.70 : 727,677,337.05 = 266,684,163.90 : x - Step 2: Convert to fraction form
485,118,224.70/727,677,337.05 = 266,684,163.90/x - Step 3: Cross multiply
485,118,224.70x = 727,677,337.05 × 266,684,163.90 - Step 4: Simplify right side
485,118,224.70x = 194,060,022,220,157,728 - Step 5: Solve for x
x = 194,060,022,220,157,728/485,118,224.70 - Step 6: Final answer
x = 400,026,245.85
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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.