Finding the Fourth Proportional to 393,654,830.80, 590,482,246.20 and 189,133,589.20
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Solution
The fourth proportional to 393,654,830.80, 590,482,246.20 and 189,133,589.20 is: 283,700,383.80
Step by Step Solution
- Step 1: Write the proportion equation
393,654,830.80 : 590,482,246.20 = 189,133,589.20 : x - Step 2: Convert to fraction form
393,654,830.80/590,482,246.20 = 189,133,589.20/x - Step 3: Cross multiply
393,654,830.80x = 590,482,246.20 × 189,133,589.20 - Step 4: Simplify right side
393,654,830.80x = 111,680,026,582,684,064 - Step 5: Solve for x
x = 111,680,026,582,684,064/393,654,830.80 - Step 6: Final answer
x = 283,700,383.80
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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.