Finding the Fourth Proportional to 3,398,530,707.42, 4,689,349,786.46 and 1,893,119,595.12
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Solution
The fourth proportional to 3,398,530,707.42, 4,689,349,786.46 and 1,893,119,595.12 is: 2,612,158,233.48
Step by Step Solution
- Step 1: Write the proportion equation
3,398,530,707.42 : 4,689,349,786.46 = 1,893,119,595.12 : x - Step 2: Convert to fraction form
3,398,530,707.42/4,689,349,786.46 = 1,893,119,595.12/x - Step 3: Cross multiply
3,398,530,707.42x = 4,689,349,786.46 × 1,893,119,595.12 - Step 4: Simplify right side
3,398,530,707.42x = 8,877,499,969,119,213,568 - Step 5: Solve for x
x = 8,877,499,969,119,213,568/3,398,530,707.42 - Step 6: Final answer
x = 2,612,158,233.48
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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.