Finding the Fourth Proportional to 762,480,744,517.12, 1,052,337,822,659.90 and 579,276,373,799.13
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Solution
The fourth proportional to 762,480,744,517.12, 1,052,337,822,659.90 and 579,276,373,799.13 is: 799,488,304,859.63
Step by Step Solution
- Step 1: Write the proportion equation
762,480,744,517.12 : 1,052,337,822,659.90 = 579,276,373,799.13 : x - Step 2: Convert to fraction form
762,480,744,517.12/1,052,337,822,659.90 = 579,276,373,799.13/x - Step 3: Cross multiply
762,480,744,517.12x = 1,052,337,822,659.90 × 579,276,373,799.13 - Step 4: Simplify right side
762,480,744,517.12x = 609,594,437,922,098,885,165,056 - Step 5: Solve for x
x = 609,594,437,922,098,885,165,056/762,480,744,517.12 - Step 6: Final answer
x = 799,488,304,859.63
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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.