Finding the Fourth Proportional to 354,294,352.80, 531,441,529.20 and 266,287,723.20
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Solution
The fourth proportional to 354,294,352.80, 531,441,529.20 and 266,287,723.20 is: 399,431,584.80
Step by Step Solution
- Step 1: Write the proportion equation
354,294,352.80 : 531,441,529.20 = 266,287,723.20 : x - Step 2: Convert to fraction form
354,294,352.80/531,441,529.20 = 266,287,723.20/x - Step 3: Cross multiply
354,294,352.80x = 531,441,529.20 × 266,287,723.20 - Step 4: Simplify right side
354,294,352.80x = 141,516,354,824,594,304 - Step 5: Solve for x
x = 141,516,354,824,594,304/354,294,352.80 - Step 6: Final answer
x = 399,431,584.80
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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.