Finding the Fourth Proportional to 412,514,635.60, 618,762,964.68 and 194,043,882.88
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Solution
The fourth proportional to 412,514,635.60, 618,762,964.68 and 194,043,882.88 is: 291,061,596.09
Step by Step Solution
- Step 1: Write the proportion equation
412,514,635.60 : 618,762,964.68 = 194,043,882.88 : x - Step 2: Convert to fraction form
412,514,635.60/618,762,964.68 = 194,043,882.88/x - Step 3: Cross multiply
412,514,635.60x = 618,762,964.68 × 194,043,882.88 - Step 4: Simplify right side
412,514,635.60x = 120,067,168,248,847,488 - Step 5: Solve for x
x = 120,067,168,248,847,488/412,514,635.60 - Step 6: Final answer
x = 291,061,596.09
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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.