Finding the Fourth Proportional to 6,172,216,867.05, 8,517,893,418.27 and 3,459,534,808.70
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Solution
The fourth proportional to 6,172,216,867.05, 8,517,893,418.27 and 3,459,534,808.70 is: 4,774,289,272.72
Step by Step Solution
- Step 1: Write the proportion equation
6,172,216,867.05 : 8,517,893,418.27 = 3,459,534,808.70 : x - Step 2: Convert to fraction form
6,172,216,867.05/8,517,893,418.27 = 3,459,534,808.70/x - Step 3: Cross multiply
6,172,216,867.05x = 8,517,893,418.27 × 3,459,534,808.70 - Step 4: Simplify right side
6,172,216,867.05x = 29,467,948,777,259,106,304 - Step 5: Solve for x
x = 29,467,948,777,259,106,304/6,172,216,867.05 - Step 6: Final answer
x = 4,774,289,272.72
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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.