Finding the Fourth Proportional to 394,464,086.84, 591,776,830.55 and 135,645,694.04
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Solution
The fourth proportional to 394,464,086.84, 591,776,830.55 and 135,645,694.04 is: 203,496,291.74
Step by Step Solution
- Step 1: Write the proportion equation
394,464,086.84 : 591,776,830.55 = 135,645,694.04 : x - Step 2: Convert to fraction form
394,464,086.84/591,776,830.55 = 135,645,694.04/x - Step 3: Cross multiply
394,464,086.84x = 591,776,830.55 × 135,645,694.04 - Step 4: Simplify right side
394,464,086.84x = 80,271,978,894,126,448 - Step 5: Solve for x
x = 80,271,978,894,126,448/394,464,086.84 - Step 6: Final answer
x = 203,496,291.74
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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.