Finding the Fourth Proportional to 554,460,847.98, 764,915,785.12 and 334,321,976.94
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Solution
The fourth proportional to 554,460,847.98, 764,915,785.12 and 334,321,976.94 is: 461,219,504.33
Step by Step Solution
- Step 1: Write the proportion equation
554,460,847.98 : 764,915,785.12 = 334,321,976.94 : x - Step 2: Convert to fraction form
554,460,847.98/764,915,785.12 = 334,321,976.94/x - Step 3: Cross multiply
554,460,847.98x = 764,915,785.12 × 334,321,976.94 - Step 4: Simplify right side
554,460,847.98x = 255,728,157,473,930,624 - Step 5: Solve for x
x = 255,728,157,473,930,624/554,460,847.98 - Step 6: Final answer
x = 461,219,504.33
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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.