Finding the Fourth Proportional to 350,750,890.80, 491,857,462.80 and 350,750,890.80
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Solution
The fourth proportional to 350,750,890.80, 491,857,462.80 and 350,750,890.80 is: 491,857,462.80
Step by Step Solution
- Step 1: Write the proportion equation
350,750,890.80 : 491,857,462.80 = 350,750,890.80 : x - Step 2: Convert to fraction form
350,750,890.80/491,857,462.80 = 350,750,890.80/x - Step 3: Cross multiply
350,750,890.80x = 491,857,462.80 × 350,750,890.80 - Step 4: Simplify right side
350,750,890.80x = 172,519,443,223,727,872 - Step 5: Solve for x
x = 172,519,443,223,727,872/350,750,890.80 - Step 6: Final answer
x = 491,857,462.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.