Finding the Fourth Proportional to 844,224,135.20, 1,266,336,202.80 and 521,737,863.20
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Solution
The fourth proportional to 844,224,135.20, 1,266,336,202.80 and 521,737,863.20 is: 782,606,794.80
Step by Step Solution
- Step 1: Write the proportion equation
844,224,135.20 : 1,266,336,202.80 = 521,737,863.20 : x - Step 2: Convert to fraction form
844,224,135.20/1,266,336,202.80 = 521,737,863.20/x - Step 3: Cross multiply
844,224,135.20x = 1,266,336,202.80 × 521,737,863.20 - Step 4: Simplify right side
844,224,135.20x = 660,695,544,541,673,856 - Step 5: Solve for x
x = 660,695,544,541,673,856/844,224,135.20 - Step 6: Final answer
x = 782,606,794.80
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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.