Finding the Fourth Proportional to 3,619,170,178.20, 5,428,755,267.30 and 2,241,675,106.20
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Solution
The fourth proportional to 3,619,170,178.20, 5,428,755,267.30 and 2,241,675,106.20 is: 3,362,512,659.30
Step by Step Solution
- Step 1: Write the proportion equation
3,619,170,178.20 : 5,428,755,267.30 = 2,241,675,106.20 : x - Step 2: Convert to fraction form
3,619,170,178.20/5,428,755,267.30 = 2,241,675,106.20/x - Step 3: Cross multiply
3,619,170,178.20x = 5,428,755,267.30 × 2,241,675,106.20 - Step 4: Simplify right side
3,619,170,178.20x = 12,169,505,540,358,537,216 - Step 5: Solve for x
x = 12,169,505,540,358,537,216/3,619,170,178.20 - Step 6: Final answer
x = 3,362,512,659.30
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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.