Finding the Fourth Proportional to 8,172,679,480.56, 11,278,297,616.72 and 4,413,489,716.12
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Solution
The fourth proportional to 8,172,679,480.56, 11,278,297,616.72 and 4,413,489,716.12 is: 6,090,615,772.35
Step by Step Solution
- Step 1: Write the proportion equation
8,172,679,480.56 : 11,278,297,616.72 = 4,413,489,716.12 : x - Step 2: Convert to fraction form
8,172,679,480.56/11,278,297,616.72 = 4,413,489,716.12/x - Step 3: Cross multiply
8,172,679,480.56x = 11,278,297,616.72 × 4,413,489,716.12 - Step 4: Simplify right side
8,172,679,480.56x = 49,776,650,546,655,961,088 - Step 5: Solve for x
x = 49,776,650,546,655,961,088/8,172,679,480.56 - Step 6: Final answer
x = 6,090,615,772.35
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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.