Finding the Fourth Proportional to 2,687,733,585.23, 4,031,613,129.33 and 822,376,305.81
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Solution
The fourth proportional to 2,687,733,585.23, 4,031,613,129.33 and 822,376,305.81 is: 1,233,568,360.34
Step by Step Solution
- Step 1: Write the proportion equation
2,687,733,585.23 : 4,031,613,129.33 = 822,376,305.81 : x - Step 2: Convert to fraction form
2,687,733,585.23/4,031,613,129.33 = 822,376,305.81/x - Step 3: Cross multiply
2,687,733,585.23x = 4,031,613,129.33 × 822,376,305.81 - Step 4: Simplify right side
2,687,733,585.23x = 3,315,503,111,753,498,624 - Step 5: Solve for x
x = 3,315,503,111,753,498,624/2,687,733,585.23 - Step 6: Final answer
x = 1,233,568,360.34
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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.