Finding the Fourth Proportional to 1,253,206,591.84, 1,729,471,770.12 and 751,497,058.56
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Solution
The fourth proportional to 1,253,206,591.84, 1,729,471,770.12 and 751,497,058.56 is: 1,037,093,928.94
Step by Step Solution
- Step 1: Write the proportion equation
1,253,206,591.84 : 1,729,471,770.12 = 751,497,058.56 : x - Step 2: Convert to fraction form
1,253,206,591.84/1,729,471,770.12 = 751,497,058.56/x - Step 3: Cross multiply
1,253,206,591.84x = 1,729,471,770.12 × 751,497,058.56 - Step 4: Simplify right side
1,253,206,591.84x = 1,299,692,948,107,736,320 - Step 5: Solve for x
x = 1,299,692,948,107,736,320/1,253,206,591.84 - Step 6: Final answer
x = 1,037,093,928.94
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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.