Finding the Fourth Proportional to 2,810,665,850.80, 3,878,761,293.09 and 1,540,496,672.03
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Solution
The fourth proportional to 2,810,665,850.80, 3,878,761,293.09 and 1,540,496,672.03 is: 2,125,908,656.81
Step by Step Solution
- Step 1: Write the proportion equation
2,810,665,850.80 : 3,878,761,293.09 = 1,540,496,672.03 : x - Step 2: Convert to fraction form
2,810,665,850.80/3,878,761,293.09 = 1,540,496,672.03/x - Step 3: Cross multiply
2,810,665,850.80x = 3,878,761,293.09 × 1,540,496,672.03 - Step 4: Simplify right side
2,810,665,850.80x = 5,975,218,863,614,009,344 - Step 5: Solve for x
x = 5,975,218,863,614,009,344/2,810,665,850.80 - Step 6: Final answer
x = 2,125,908,656.81
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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.