Finding the Fourth Proportional to 664,675,586.94, 996,122,178.09 and 517,301,101.02
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Solution
The fourth proportional to 664,675,586.94, 996,122,178.09 and 517,301,101.02 is: 775,258,050.09
Step by Step Solution
- Step 1: Write the proportion equation
664,675,586.94 : 996,122,178.09 = 517,301,101.02 : x - Step 2: Convert to fraction form
664,675,586.94/996,122,178.09 = 517,301,101.02/x - Step 3: Cross multiply
664,675,586.94x = 996,122,178.09 × 517,301,101.02 - Step 4: Simplify right side
664,675,586.94x = 515,295,099,476,397,504 - Step 5: Solve for x
x = 515,295,099,476,397,504/664,675,586.94 - Step 6: Final answer
x = 775,258,050.09
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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.