Finding the Fourth Proportional to 1,059,102,619.63, 1,461,574,837.94 and 582,847,781.88
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Solution
The fourth proportional to 1,059,102,619.63, 1,461,574,837.94 and 582,847,781.88 is: 804,337,215.82
Step by Step Solution
- Step 1: Write the proportion equation
1,059,102,619.63 : 1,461,574,837.94 = 582,847,781.88 : x - Step 2: Convert to fraction form
1,059,102,619.63/1,461,574,837.94 = 582,847,781.88/x - Step 3: Cross multiply
1,059,102,619.63x = 1,461,574,837.94 × 582,847,781.88 - Step 4: Simplify right side
1,059,102,619.63x = 851,875,652,344,949,504 - Step 5: Solve for x
x = 851,875,652,344,949,504/1,059,102,619.63 - Step 6: Final answer
x = 804,337,215.82
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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.