Finding the Fourth Proportional to 703,552,993.38, 1,055,491,615.62 and 243,491,162.09
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Solution
The fourth proportional to 703,552,993.38, 1,055,491,615.62 and 243,491,162.09 is: 365,292,852.81
Step by Step Solution
- Step 1: Write the proportion equation
703,552,993.38 : 1,055,491,615.62 = 243,491,162.09 : x - Step 2: Convert to fraction form
703,552,993.38/1,055,491,615.62 = 243,491,162.09/x - Step 3: Cross multiply
703,552,993.38x = 1,055,491,615.62 × 243,491,162.09 - Step 4: Simplify right side
703,552,993.38x = 257,002,880,058,287,936 - Step 5: Solve for x
x = 257,002,880,058,287,936/703,552,993.38 - Step 6: Final answer
x = 365,292,852.81
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1.5x scale
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.