Finding the Fourth Proportional to 3,189,544,515.60, 4,785,212,568.60 and 1,553,822,480.40
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Solution
The fourth proportional to 3,189,544,515.60, 4,785,212,568.60 and 1,553,822,480.40 is: 2,331,170,117.31
Step by Step Solution
- Step 1: Write the proportion equation
3,189,544,515.60 : 4,785,212,568.60 = 1,553,822,480.40 : x - Step 2: Convert to fraction form
3,189,544,515.60/4,785,212,568.60 = 1,553,822,480.40/x - Step 3: Cross multiply
3,189,544,515.60x = 4,785,212,568.60 × 1,553,822,480.40 - Step 4: Simplify right side
3,189,544,515.60x = 7,435,370,862,583,308,288 - Step 5: Solve for x
x = 7,435,370,862,583,308,288/3,189,544,515.60 - Step 6: Final answer
x = 2,331,170,117.31
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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.