Finding the Fourth Proportional to 496,395,404.80, 744,593,107.20 and 448,778,291.20
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Solution
The fourth proportional to 496,395,404.80, 744,593,107.20 and 448,778,291.20 is: 673,167,436.80
Step by Step Solution
- Step 1: Write the proportion equation
496,395,404.80 : 744,593,107.20 = 448,778,291.20 : x - Step 2: Convert to fraction form
496,395,404.80/744,593,107.20 = 448,778,291.20/x - Step 3: Cross multiply
496,395,404.80x = 744,593,107.20 × 448,778,291.20 - Step 4: Simplify right side
496,395,404.80x = 334,157,222,288,514,432 - Step 5: Solve for x
x = 334,157,222,288,514,432/496,395,404.80 - Step 6: Final answer
x = 673,167,436.80
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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.