Finding the Fourth Proportional to 3,295,409,929.20, 4,543,338,319.56 and 2,378,059,221.60
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Solution
The fourth proportional to 3,295,409,929.20, 4,543,338,319.56 and 2,378,059,221.60 is: 3,278,598,966.38
Step by Step Solution
- Step 1: Write the proportion equation
3,295,409,929.20 : 4,543,338,319.56 = 2,378,059,221.60 : x - Step 2: Convert to fraction form
3,295,409,929.20/4,543,338,319.56 = 2,378,059,221.60/x - Step 3: Cross multiply
3,295,409,929.20x = 4,543,338,319.56 × 2,378,059,221.60 - Step 4: Simplify right side
3,295,409,929.20x = 10,804,327,587,678,306,304 - Step 5: Solve for x
x = 10,804,327,587,678,306,304/3,295,409,929.20 - Step 6: Final answer
x = 3,278,598,966.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.