Finding the Fourth Proportional to 1,914,548,603.80, 2,871,822,905.70 and 996,218,555.80
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Solution
The fourth proportional to 1,914,548,603.80, 2,871,822,905.70 and 996,218,555.80 is: 1,494,327,833.70
Step by Step Solution
- Step 1: Write the proportion equation
1,914,548,603.80 : 2,871,822,905.70 = 996,218,555.80 : x - Step 2: Convert to fraction form
1,914,548,603.80/2,871,822,905.70 = 996,218,555.80/x - Step 3: Cross multiply
1,914,548,603.80x = 2,871,822,905.70 × 996,218,555.80 - Step 4: Simplify right side
1,914,548,603.80x = 2,860,963,267,629,813,248 - Step 5: Solve for x
x = 2,860,963,267,629,813,248/1,914,548,603.80 - Step 6: Final answer
x = 1,494,327,833.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.