Finding the Fourth Proportional to 394,482,081.24, 544,604,202.72 and 237,888,857.16
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Solution
The fourth proportional to 394,482,081.24, 544,604,202.72 and 237,888,857.16 is: 328,418,647.01
Step by Step Solution
- Step 1: Write the proportion equation
394,482,081.24 : 544,604,202.72 = 237,888,857.16 : x - Step 2: Convert to fraction form
394,482,081.24/544,604,202.72 = 237,888,857.16/x - Step 3: Cross multiply
394,482,081.24x = 544,604,202.72 × 237,888,857.16 - Step 4: Simplify right side
394,482,081.24x = 129,555,271,389,593,776 - Step 5: Solve for x
x = 129,555,271,389,593,776/394,482,081.24 - Step 6: Final answer
x = 328,418,647.01
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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.