Finding the Fourth Proportional to 823,251,170.36, 1,136,088,598.38 and 451,997,132.60
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Solution
The fourth proportional to 823,251,170.36, 1,136,088,598.38 and 451,997,132.60 is: 623,757,131.89
Step by Step Solution
- Step 1: Write the proportion equation
823,251,170.36 : 1,136,088,598.38 = 451,997,132.60 : x - Step 2: Convert to fraction form
823,251,170.36/1,136,088,598.38 = 451,997,132.60/x - Step 3: Cross multiply
823,251,170.36x = 1,136,088,598.38 × 451,997,132.60 - Step 4: Simplify right side
823,251,170.36x = 513,508,788,847,313,088 - Step 5: Solve for x
x = 513,508,788,847,313,088/823,251,170.36 - Step 6: Final answer
x = 623,757,131.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.