Finding the Fourth Proportional to 423,474,294.48, 584,368,907.96 and 235,296,153.96
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Solution
The fourth proportional to 423,474,294.48, 584,368,907.96 and 235,296,153.96 is: 324,694,458.03
Step by Step Solution
- Step 1: Write the proportion equation
423,474,294.48 : 584,368,907.96 = 235,296,153.96 : x - Step 2: Convert to fraction form
423,474,294.48/584,368,907.96 = 235,296,153.96/x - Step 3: Cross multiply
423,474,294.48x = 584,368,907.96 × 235,296,153.96 - Step 4: Simplify right side
423,474,294.48x = 137,499,756,535,188,944 - Step 5: Solve for x
x = 137,499,756,535,188,944/423,474,294.48 - Step 6: Final answer
x = 324,694,458.03
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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.