Finding the Fourth Proportional to 412,514,633.60, 618,762,961.68 and 194,043,880.88
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Solution
The fourth proportional to 412,514,633.60, 618,762,961.68 and 194,043,880.88 is: 291,061,593.09
Step by Step Solution
- Step 1: Write the proportion equation
412,514,633.60 : 618,762,961.68 = 194,043,880.88 : x - Step 2: Convert to fraction form
412,514,633.60/618,762,961.68 = 194,043,880.88/x - Step 3: Cross multiply
412,514,633.60x = 618,762,961.68 × 194,043,880.88 - Step 4: Simplify right side
412,514,633.60x = 120,067,166,429,189,904 - Step 5: Solve for x
x = 120,067,166,429,189,904/412,514,633.60 - Step 6: Final answer
x = 291,061,593.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.