Finding the Fourth Proportional to 1,090,152,782.70, 1,635,441,750.45 and 468,366,812.70
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Solution
The fourth proportional to 1,090,152,782.70, 1,635,441,750.45 and 468,366,812.70 is: 702,641,549.12
Step by Step Solution
- Step 1: Write the proportion equation
1,090,152,782.70 : 1,635,441,750.45 = 468,366,812.70 : x - Step 2: Convert to fraction form
1,090,152,782.70/1,635,441,750.45 = 468,366,812.70/x - Step 3: Cross multiply
1,090,152,782.70x = 1,635,441,750.45 × 468,366,812.70 - Step 4: Simplify right side
1,090,152,782.70x = 765,986,640,014,775,296 - Step 5: Solve for x
x = 765,986,640,014,775,296/1,090,152,782.70 - Step 6: Final answer
x = 702,641,549.12
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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.