Finding the Fourth Proportional to 759,125,776.26, 1,138,738,627.98 and 198,901,323.12
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Solution
The fourth proportional to 759,125,776.26, 1,138,738,627.98 and 198,901,323.12 is: 298,365,075.82
Step by Step Solution
- Step 1: Write the proportion equation
759,125,776.26 : 1,138,738,627.98 = 198,901,323.12 : x - Step 2: Convert to fraction form
759,125,776.26/1,138,738,627.98 = 198,901,323.12/x - Step 3: Cross multiply
759,125,776.26x = 1,138,738,627.98 × 198,901,323.12 - Step 4: Simplify right side
759,125,776.26x = 226,496,619,793,075,456 - Step 5: Solve for x
x = 226,496,619,793,075,456/759,125,776.26 - Step 6: Final answer
x = 298,365,075.82
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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.