Finding the Fourth Proportional to 398,582,557.80, 597,873,836.70 and 183,171,805.80
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Solution
The fourth proportional to 398,582,557.80, 597,873,836.70 and 183,171,805.80 is: 274,757,708.70
Step by Step Solution
- Step 1: Write the proportion equation
398,582,557.80 : 597,873,836.70 = 183,171,805.80 : x - Step 2: Convert to fraction form
398,582,557.80/597,873,836.70 = 183,171,805.80/x - Step 3: Cross multiply
398,582,557.80x = 597,873,836.70 × 183,171,805.80 - Step 4: Simplify right side
398,582,557.80x = 109,513,630,308,913,328 - Step 5: Solve for x
x = 109,513,630,308,913,328/398,582,557.80 - Step 6: Final answer
x = 274,757,708.70
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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.