Finding the Fourth Proportional to 1,518,251,542.11, 2,277,477,240.35 and 397,802,635.78
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Solution
The fourth proportional to 1,518,251,542.11, 2,277,477,240.35 and 397,802,635.78 is: 596,730,135.96
Step by Step Solution
- Step 1: Write the proportion equation
1,518,251,542.11 : 2,277,477,240.35 = 397,802,635.78 : x - Step 2: Convert to fraction form
1,518,251,542.11/2,277,477,240.35 = 397,802,635.78/x - Step 3: Cross multiply
1,518,251,542.11x = 2,277,477,240.35 × 397,802,635.78 - Step 4: Simplify right side
1,518,251,542.11x = 905,986,449,140,190,464 - Step 5: Solve for x
x = 905,986,449,140,190,464/1,518,251,542.11 - Step 6: Final answer
x = 596,730,135.96
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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.