Finding the Fourth Proportional to 384,136,690.08, 530,159,095.68 and 219,086,424.48
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Solution
The fourth proportional to 384,136,690.08, 530,159,095.68 and 219,086,424.48 is: 302,368,046.79
Step by Step Solution
- Step 1: Write the proportion equation
384,136,690.08 : 530,159,095.68 = 219,086,424.48 : x - Step 2: Convert to fraction form
384,136,690.08/530,159,095.68 = 219,086,424.48/x - Step 3: Cross multiply
384,136,690.08x = 530,159,095.68 × 219,086,424.48 - Step 4: Simplify right side
384,136,690.08x = 116,150,660,678,081,408 - Step 5: Solve for x
x = 116,150,660,678,081,408/384,136,690.08 - Step 6: Final answer
x = 302,368,046.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.