Finding the Fourth Proportional to 2,135,625,059.88, 2,947,161,557.59 and 1,277,299,623.61
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Solution
The fourth proportional to 2,135,625,059.88, 2,947,161,557.59 and 1,277,299,623.61 is: 1,762,672,867.50
Step by Step Solution
- Step 1: Write the proportion equation
2,135,625,059.88 : 2,947,161,557.59 = 1,277,299,623.61 : x - Step 2: Convert to fraction form
2,135,625,059.88/2,947,161,557.59 = 1,277,299,623.61/x - Step 3: Cross multiply
2,135,625,059.88x = 2,947,161,557.59 × 1,277,299,623.61 - Step 4: Simplify right side
2,135,625,059.88x = 3,764,408,348,211,535,872 - Step 5: Solve for x
x = 3,764,408,348,211,535,872/2,135,625,059.88 - Step 6: Final answer
x = 1,762,672,867.50
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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.