Finding the Fourth Proportional to 295,235,765.20, 442,853,647.80 and 295,235,765.20
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Solution
The fourth proportional to 295,235,765.20, 442,853,647.80 and 295,235,765.20 is: 442,853,647.80
Step by Step Solution
- Step 1: Write the proportion equation
295,235,765.20 : 442,853,647.80 = 295,235,765.20 : x - Step 2: Convert to fraction form
295,235,765.20/442,853,647.80 = 295,235,765.20/x - Step 3: Cross multiply
295,235,765.20x = 442,853,647.80 × 295,235,765.20 - Step 4: Simplify right side
295,235,765.20x = 130,746,235,579,844,288 - Step 5: Solve for x
x = 130,746,235,579,844,288/295,235,765.20 - Step 6: Final answer
x = 442,853,647.80
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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.