Finding the Fourth Proportional to 1,581,135,376,714.40, 2,182,012,847,331.60 and 896,000,321,540.70
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Solution
The fourth proportional to 1,581,135,376,714.40, 2,182,012,847,331.60 and 896,000,321,540.70 is: 1,236,506,526,643.99
Step by Step Solution
- Step 1: Write the proportion equation
1,581,135,376,714.40 : 2,182,012,847,331.60 = 896,000,321,540.70 : x - Step 2: Convert to fraction form
1,581,135,376,714.40/2,182,012,847,331.60 = 896,000,321,540.70/x - Step 3: Cross multiply
1,581,135,376,714.40x = 2,182,012,847,331.60 × 896,000,321,540.70 - Step 4: Simplify right side
1,581,135,376,714.40x = 1,955,084,212,815,051,899,273,216 - Step 5: Solve for x
x = 1,955,084,212,815,051,899,273,216/1,581,135,376,714.40 - Step 6: Final answer
x = 1,236,506,526,643.99
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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.