Finding the Fourth Proportional to 2,548,305,390.72, 3,514,783,930.56 and 1,921,800,224.64
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Solution
The fourth proportional to 2,548,305,390.72, 3,514,783,930.56 and 1,921,800,224.64 is: 2,650,668,390.02
Step by Step Solution
- Step 1: Write the proportion equation
2,548,305,390.72 : 3,514,783,930.56 = 1,921,800,224.64 : x - Step 2: Convert to fraction form
2,548,305,390.72/3,514,783,930.56 = 1,921,800,224.64/x - Step 3: Cross multiply
2,548,305,390.72x = 3,514,783,930.56 × 1,921,800,224.64 - Step 4: Simplify right side
2,548,305,390.72x = 6,754,712,547,311,270,912 - Step 5: Solve for x
x = 6,754,712,547,311,270,912/2,548,305,390.72 - Step 6: Final answer
x = 2,650,668,390.02
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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.