Finding the Fourth Proportional to 531,468,495.60, 797,202,743.40 and 324,844,234.80
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Solution
The fourth proportional to 531,468,495.60, 797,202,743.40 and 324,844,234.80 is: 487,266,352.20
Step by Step Solution
- Step 1: Write the proportion equation
531,468,495.60 : 797,202,743.40 = 324,844,234.80 : x - Step 2: Convert to fraction form
531,468,495.60/797,202,743.40 = 324,844,234.80/x - Step 3: Cross multiply
531,468,495.60x = 797,202,743.40 × 324,844,234.80 - Step 4: Simplify right side
531,468,495.60x = 258,966,715,160,233,760 - Step 5: Solve for x
x = 258,966,715,160,233,760/531,468,495.60 - Step 6: Final answer
x = 487,266,352.20
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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.