Finding the Fourth Proportional to 674,352,037.05, 1,011,556,049.18 and 214,277,221.05
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Solution
The fourth proportional to 674,352,037.05, 1,011,556,049.18 and 214,277,221.05 is: 321,424,726.62
Step by Step Solution
- Step 1: Write the proportion equation
674,352,037.05 : 1,011,556,049.18 = 214,277,221.05 : x - Step 2: Convert to fraction form
674,352,037.05/1,011,556,049.18 = 214,277,221.05/x - Step 3: Cross multiply
674,352,037.05x = 1,011,556,049.18 × 214,277,221.05 - Step 4: Simplify right side
674,352,037.05x = 216,753,419,153,536,160 - Step 5: Solve for x
x = 216,753,419,153,536,160/674,352,037.05 - Step 6: Final answer
x = 321,424,726.62
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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.