Finding the Fourth Proportional to 6,459,694,076.95, 8,916,036,433.64 and 4,207,246,499.97
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Solution
The fourth proportional to 6,459,694,076.95, 8,916,036,433.64 and 4,207,246,499.97 is: 5,807,080,433.25
Step by Step Solution
- Step 1: Write the proportion equation
6,459,694,076.95 : 8,916,036,433.64 = 4,207,246,499.97 : x - Step 2: Convert to fraction form
6,459,694,076.95/8,916,036,433.64 = 4,207,246,499.97/x - Step 3: Cross multiply
6,459,694,076.95x = 8,916,036,433.64 × 4,207,246,499.97 - Step 4: Simplify right side
6,459,694,076.95x = 37,511,963,079,031,840,768 - Step 5: Solve for x
x = 37,511,963,079,031,840,768/6,459,694,076.95 - Step 6: Final answer
x = 5,807,080,433.25
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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.