Finding the Fourth Proportional to 1,820,473,566.93, 2,512,257,889.37 and 985,107,101.49
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Solution
The fourth proportional to 1,820,473,566.93, 2,512,257,889.37 and 985,107,101.49 is: 1,359,450,163.16
Step by Step Solution
- Step 1: Write the proportion equation
1,820,473,566.93 : 2,512,257,889.37 = 985,107,101.49 : x - Step 2: Convert to fraction form
1,820,473,566.93/2,512,257,889.37 = 985,107,101.49/x - Step 3: Cross multiply
1,820,473,566.93x = 2,512,257,889.37 × 985,107,101.49 - Step 4: Simplify right side
1,820,473,566.93x = 2,474,843,087,587,740,160 - Step 5: Solve for x
x = 2,474,843,087,587,740,160/1,820,473,566.93 - Step 6: Final answer
x = 1,359,450,163.16
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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.