Finding the Fourth Proportional to 505,478,634.92, 758,497,732.86 and 246,695,998.76
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Solution
The fourth proportional to 505,478,634.92, 758,497,732.86 and 246,695,998.76 is: 370,180,543.43
Step by Step Solution
- Step 1: Write the proportion equation
505,478,634.92 : 758,497,732.86 = 246,695,998.76 : x - Step 2: Convert to fraction form
505,478,634.92/758,497,732.86 = 246,695,998.76/x - Step 3: Cross multiply
505,478,634.92x = 758,497,732.86 × 246,695,998.76 - Step 4: Simplify right side
505,478,634.92x = 187,118,355,765,093,376 - Step 5: Solve for x
x = 187,118,355,765,093,376/505,478,634.92 - Step 6: Final answer
x = 370,180,543.43
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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.