Finding the Fourth Proportional to 4,155,786,714.99, 5,734,988,758.65 and 2,250,562,979.91
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Solution
The fourth proportional to 4,155,786,714.99, 5,734,988,758.65 and 2,250,562,979.91 is: 3,105,778,586.73
Step by Step Solution
- Step 1: Write the proportion equation
4,155,786,714.99 : 5,734,988,758.65 = 2,250,562,979.91 : x - Step 2: Convert to fraction form
4,155,786,714.99/5,734,988,758.65 = 2,250,562,979.91/x - Step 3: Cross multiply
4,155,786,714.99x = 5,734,988,758.65 × 2,250,562,979.91 - Step 4: Simplify right side
4,155,786,714.99x = 12,906,953,390,417,694,720 - Step 5: Solve for x
x = 12,906,953,390,417,694,720/4,155,786,714.99 - Step 6: Final answer
x = 3,105,778,586.73
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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.