Finding the Fourth Proportional to 2,255,652,305.48, 3,383,473,805.99 and 1,272,632,600.54
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Solution
The fourth proportional to 2,255,652,305.48, 3,383,473,805.99 and 1,272,632,600.54 is: 1,908,946,276.03
Step by Step Solution
- Step 1: Write the proportion equation
2,255,652,305.48 : 3,383,473,805.99 = 1,272,632,600.54 : x - Step 2: Convert to fraction form
2,255,652,305.48/3,383,473,805.99 = 1,272,632,600.54/x - Step 3: Cross multiply
2,255,652,305.48x = 3,383,473,805.99 × 1,272,632,600.54 - Step 4: Simplify right side
2,255,652,305.48x = 4,305,919,068,578,120,704 - Step 5: Solve for x
x = 4,305,919,068,578,120,704/2,255,652,305.48 - Step 6: Final answer
x = 1,908,946,276.03
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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.