Finding the Fourth Proportional to 396,135,032.70, 594,202,549.05 and 191,683,775.10
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Solution
The fourth proportional to 396,135,032.70, 594,202,549.05 and 191,683,775.10 is: 287,525,662.65
Step by Step Solution
- Step 1: Write the proportion equation
396,135,032.70 : 594,202,549.05 = 191,683,775.10 : x - Step 2: Convert to fraction form
396,135,032.70/594,202,549.05 = 191,683,775.10/x - Step 3: Cross multiply
396,135,032.70x = 594,202,549.05 × 191,683,775.10 - Step 4: Simplify right side
396,135,032.70x = 113,898,987,775,946,912 - Step 5: Solve for x
x = 113,898,987,775,946,912/396,135,032.70 - Step 6: Final answer
x = 287,525,662.65
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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.