Finding the Fourth Proportional to 741,760,762.80, 1,112,641,144.20 and 189,062,122.80
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Solution
The fourth proportional to 741,760,762.80, 1,112,641,144.20 and 189,062,122.80 is: 283,593,184.20
Step by Step Solution
- Step 1: Write the proportion equation
741,760,762.80 : 1,112,641,144.20 = 189,062,122.80 : x - Step 2: Convert to fraction form
741,760,762.80/1,112,641,144.20 = 189,062,122.80/x - Step 3: Cross multiply
741,760,762.80x = 1,112,641,144.20 × 189,062,122.80 - Step 4: Simplify right side
741,760,762.80x = 210,358,296,637,072,928 - Step 5: Solve for x
x = 210,358,296,637,072,928/741,760,762.80 - Step 6: Final answer
x = 283,593,184.20
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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.