Finding the Fourth Proportional to 398,582,445.80, 597,873,668.70 and 183,171,693.80
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Solution
The fourth proportional to 398,582,445.80, 597,873,668.70 and 183,171,693.80 is: 274,757,540.70
Step by Step Solution
- Step 1: Write the proportion equation
398,582,445.80 : 597,873,668.70 = 183,171,693.80 : x - Step 2: Convert to fraction form
398,582,445.80/597,873,668.70 = 183,171,693.80/x - Step 3: Cross multiply
398,582,445.80x = 597,873,668.70 × 183,171,693.80 - Step 4: Simplify right side
398,582,445.80x = 109,513,532,574,199,056 - Step 5: Solve for x
x = 109,513,532,574,199,056/398,582,445.80 - Step 6: Final answer
x = 274,757,540.70
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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.