Finding the Fourth Proportional to 399,492,049.80, 599,238,074.70 and 112,277,713.80
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Solution
The fourth proportional to 399,492,049.80, 599,238,074.70 and 112,277,713.80 is: 168,416,570.70
Step by Step Solution
- Step 1: Write the proportion equation
399,492,049.80 : 599,238,074.70 = 112,277,713.80 : x - Step 2: Convert to fraction form
399,492,049.80/599,238,074.70 = 112,277,713.80/x - Step 3: Cross multiply
399,492,049.80x = 599,238,074.70 × 112,277,713.80 - Step 4: Simplify right side
399,492,049.80x = 67,281,081,049,229,624 - Step 5: Solve for x
x = 67,281,081,049,229,624/399,492,049.80 - Step 6: Final answer
x = 168,416,570.70
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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.