Finding the Fourth Proportional to 1,645,319,673.23, 2,270,541,174.32 and 940,486,923.95
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Solution
The fourth proportional to 1,645,319,673.23, 2,270,541,174.32 and 940,486,923.95 is: 1,297,871,969.49
Step by Step Solution
- Step 1: Write the proportion equation
1,645,319,673.23 : 2,270,541,174.32 = 940,486,923.95 : x - Step 2: Convert to fraction form
1,645,319,673.23/2,270,541,174.32 = 940,486,923.95/x - Step 3: Cross multiply
1,645,319,673.23x = 2,270,541,174.32 × 940,486,923.95 - Step 4: Simplify right side
1,645,319,673.23x = 2,135,414,284,729,036,288 - Step 5: Solve for x
x = 2,135,414,284,729,036,288/1,645,319,673.23 - Step 6: Final answer
x = 1,297,871,969.49
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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.