Finding the Fourth Proportional to 748,651,566.40, 1,122,977,349.60 and 748,651,566.40
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Solution
The fourth proportional to 748,651,566.40, 1,122,977,349.60 and 748,651,566.40 is: 1,122,977,349.60
Step by Step Solution
- Step 1: Write the proportion equation
748,651,566.40 : 1,122,977,349.60 = 748,651,566.40 : x - Step 2: Convert to fraction form
748,651,566.40/1,122,977,349.60 = 748,651,566.40/x - Step 3: Cross multiply
748,651,566.40x = 1,122,977,349.60 × 748,651,566.40 - Step 4: Simplify right side
748,651,566.40x = 840,718,751,809,760,256 - Step 5: Solve for x
x = 840,718,751,809,760,256/748,651,566.40 - Step 6: Final answer
x = 1,122,977,349.60
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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.