Finding the Fourth Proportional to 295,245,289.40, 442,867,934.10 and 279,461,491.70
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Solution
The fourth proportional to 295,245,289.40, 442,867,934.10 and 279,461,491.70 is: 419,192,237.55
Step by Step Solution
- Step 1: Write the proportion equation
295,245,289.40 : 442,867,934.10 = 279,461,491.70 : x - Step 2: Convert to fraction form
295,245,289.40/442,867,934.10 = 279,461,491.70/x - Step 3: Cross multiply
295,245,289.40x = 442,867,934.10 × 279,461,491.70 - Step 4: Simplify right side
295,245,289.40x = 123,764,533,489,683,296 - Step 5: Solve for x
x = 123,764,533,489,683,296/295,245,289.40 - Step 6: Final answer
x = 419,192,237.55
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1.5x scale
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.