Finding the Fourth Proportional to 2,486,701,468.80, 3,729,402,014.40 and 739,433,577.60
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Solution
The fourth proportional to 2,486,701,468.80, 3,729,402,014.40 and 739,433,577.60 is: 1,108,957,029.39
Step by Step Solution
- Step 1: Write the proportion equation
2,486,701,468.80 : 3,729,402,014.40 = 739,433,577.60 : x - Step 2: Convert to fraction form
2,486,701,468.80/3,729,402,014.40 = 739,433,577.60/x - Step 3: Cross multiply
2,486,701,468.80x = 3,729,402,014.40 × 739,433,577.60 - Step 4: Simplify right side
2,486,701,468.80x = 2,757,645,073,816,438,784 - Step 5: Solve for x
x = 2,757,645,073,816,438,784/2,486,701,468.80 - Step 6: Final answer
x = 1,108,957,029.39
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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.