Finding the Fourth Proportional to 7,202,823,271.13, 9,939,896,114.16 and 3,906,296,935.13
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Solution
The fourth proportional to 7,202,823,271.13, 9,939,896,114.16 and 3,906,296,935.13 is: 5,390,689,770.48
Step by Step Solution
- Step 1: Write the proportion equation
7,202,823,271.13 : 9,939,896,114.16 = 3,906,296,935.13 : x - Step 2: Convert to fraction form
7,202,823,271.13/9,939,896,114.16 = 3,906,296,935.13/x - Step 3: Cross multiply
7,202,823,271.13x = 9,939,896,114.16 × 3,906,296,935.13 - Step 4: Simplify right side
7,202,823,271.13x = 38,828,185,726,204,100,608 - Step 5: Solve for x
x = 38,828,185,726,204,100,608/7,202,823,271.13 - Step 6: Final answer
x = 5,390,689,770.48
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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.