Finding the Fourth Proportional to 318,007,408.20, 476,423,246.70 and 181,286,665.80
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Solution
The fourth proportional to 318,007,408.20, 476,423,246.70 and 181,286,665.80 is: 271,594,873.82
Step by Step Solution
- Step 1: Write the proportion equation
318,007,408.20 : 476,423,246.70 = 181,286,665.80 : x - Step 2: Convert to fraction form
318,007,408.20/476,423,246.70 = 181,286,665.80/x - Step 3: Cross multiply
318,007,408.20x = 476,423,246.70 × 181,286,665.80 - Step 4: Simplify right side
318,007,408.20x = 86,369,181,903,853,856 - Step 5: Solve for x
x = 86,369,181,903,853,856/318,007,408.20 - Step 6: Final answer
x = 271,594,873.82
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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.