Finding the Fourth Proportional to 1,871,144,474.14, 2,581,766,559.48 and 1,107,809,512.48
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Solution
The fourth proportional to 1,871,144,474.14, 2,581,766,559.48 and 1,107,809,512.48 is: 1,528,532,720.55
Step by Step Solution
- Step 1: Write the proportion equation
1,871,144,474.14 : 2,581,766,559.48 = 1,107,809,512.48 : x - Step 2: Convert to fraction form
1,871,144,474.14/2,581,766,559.48 = 1,107,809,512.48/x - Step 3: Cross multiply
1,871,144,474.14x = 2,581,766,559.48 × 1,107,809,512.48 - Step 4: Simplify right side
1,871,144,474.14x = 2,860,105,553,594,705,920 - Step 5: Solve for x
x = 2,860,105,553,594,705,920/1,871,144,474.14 - Step 6: Final answer
x = 1,528,532,720.55
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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.