Finding the Fourth Proportional to 2,007,479,568.81, 2,770,155,293.49 and 1,103,187,954.62
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Solution
The fourth proportional to 2,007,479,568.81, 2,770,155,293.49 and 1,103,187,954.62 is: 1,522,307,872.86
Step by Step Solution
- Step 1: Write the proportion equation
2,007,479,568.81 : 2,770,155,293.49 = 1,103,187,954.62 : x - Step 2: Convert to fraction form
2,007,479,568.81/2,770,155,293.49 = 1,103,187,954.62/x - Step 3: Cross multiply
2,007,479,568.81x = 2,770,155,293.49 × 1,103,187,954.62 - Step 4: Simplify right side
2,007,479,568.81x = 3,056,001,952,195,732,480 - Step 5: Solve for x
x = 3,056,001,952,195,732,480/2,007,479,568.81 - Step 6: Final answer
x = 1,522,307,872.86
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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.