Finding the Fourth Proportional to 455,369,874.18, 681,953,613.02 and 260,690,832.42
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Solution
The fourth proportional to 455,369,874.18, 681,953,613.02 and 260,690,832.42 is: 390,405,832.99
Step by Step Solution
- Step 1: Write the proportion equation
455,369,874.18 : 681,953,613.02 = 260,690,832.42 : x - Step 2: Convert to fraction form
455,369,874.18/681,953,613.02 = 260,690,832.42/x - Step 3: Cross multiply
455,369,874.18x = 681,953,613.02 × 260,690,832.42 - Step 4: Simplify right side
455,369,874.18x = 177,779,055,050,010,336 - Step 5: Solve for x
x = 177,779,055,050,010,336/455,369,874.18 - Step 6: Final answer
x = 390,405,832.99
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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.