Finding the Fourth Proportional to 5,207,568,364.40, 7,186,438,873.93 and 2,828,708,162.32
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Solution
The fourth proportional to 5,207,568,364.40, 7,186,438,873.93 and 2,828,708,162.32 is: 3,903,614,293.31
Step by Step Solution
- Step 1: Write the proportion equation
5,207,568,364.40 : 7,186,438,873.93 = 2,828,708,162.32 : x - Step 2: Convert to fraction form
5,207,568,364.40/7,186,438,873.93 = 2,828,708,162.32/x - Step 3: Cross multiply
5,207,568,364.40x = 7,186,438,873.93 × 2,828,708,162.32 - Step 4: Simplify right side
5,207,568,364.40x = 20,328,338,300,663,611,392 - Step 5: Solve for x
x = 20,328,338,300,663,611,392/5,207,568,364.40 - Step 6: Final answer
x = 3,903,614,293.31
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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.