Finding the Fourth Proportional to 8,172,679,489.56, 11,278,297,629.18 and 4,413,489,725.16
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Solution
The fourth proportional to 8,172,679,489.56, 11,278,297,629.18 and 4,413,489,725.16 is: 6,090,615,784.86
Step by Step Solution
- Step 1: Write the proportion equation
8,172,679,489.56 : 11,278,297,629.18 = 4,413,489,725.16 : x - Step 2: Convert to fraction form
8,172,679,489.56/11,278,297,629.18 = 4,413,489,725.16/x - Step 3: Cross multiply
8,172,679,489.56x = 11,278,297,629.18 × 4,413,489,725.16 - Step 4: Simplify right side
8,172,679,489.56x = 49,776,650,703,682,314,240 - Step 5: Solve for x
x = 49,776,650,703,682,314,240/8,172,679,489.56 - Step 6: Final answer
x = 6,090,615,784.86
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1.5x scale
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.