Finding the Fourth Proportional to 4,161,003,319.92, 6,240,840,579.66 and 1,212,593,272.41
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Solution
The fourth proportional to 4,161,003,319.92, 6,240,840,579.66 and 1,212,593,272.41 is: 1,818,696,290.11
Step by Step Solution
- Step 1: Write the proportion equation
4,161,003,319.92 : 6,240,840,579.66 = 1,212,593,272.41 : x - Step 2: Convert to fraction form
4,161,003,319.92/6,240,840,579.66 = 1,212,593,272.41/x - Step 3: Cross multiply
4,161,003,319.92x = 6,240,840,579.66 × 1,212,593,272.41 - Step 4: Simplify right side
4,161,003,319.92x = 7,567,601,301,079,041,024 - Step 5: Solve for x
x = 7,567,601,301,079,041,024/4,161,003,319.92 - Step 6: Final answer
x = 1,818,696,290.11
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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.