Finding the Fourth Proportional to 1,786,201,642.47, 2,464,960,313.84 and 993,230,596.47
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Solution
The fourth proportional to 1,786,201,642.47, 2,464,960,313.84 and 993,230,596.47 is: 1,370,659,361.50
Step by Step Solution
- Step 1: Write the proportion equation
1,786,201,642.47 : 2,464,960,313.84 = 993,230,596.47 : x - Step 2: Convert to fraction form
1,786,201,642.47/2,464,960,313.84 = 993,230,596.47/x - Step 3: Cross multiply
1,786,201,642.47x = 2,464,960,313.84 × 993,230,596.47 - Step 4: Simplify right side
1,786,201,642.47x = 2,448,274,002,785,215,488 - Step 5: Solve for x
x = 2,448,274,002,785,215,488/1,786,201,642.47 - Step 6: Final answer
x = 1,370,659,361.50
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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.