Finding the Fourth Proportional to 1,594,324,657.80, 2,391,486,986.70 and 1,206,904,168.80
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Solution
The fourth proportional to 1,594,324,657.80, 2,391,486,986.70 and 1,206,904,168.80 is: 1,810,356,253.20
Step by Step Solution
- Step 1: Write the proportion equation
1,594,324,657.80 : 2,391,486,986.70 = 1,206,904,168.80 : x - Step 2: Convert to fraction form
1,594,324,657.80/2,391,486,986.70 = 1,206,904,168.80/x - Step 3: Cross multiply
1,594,324,657.80x = 2,391,486,986.70 × 1,206,904,168.80 - Step 4: Simplify right side
1,594,324,657.80x = 2,886,295,613,879,179,776 - Step 5: Solve for x
x = 2,886,295,613,879,179,776/1,594,324,657.80 - Step 6: Final answer
x = 1,810,356,253.20
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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.