Finding the Fourth Proportional to 284,378,718.48, 426,584,020.86 and 79,890,850.68
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Solution
The fourth proportional to 284,378,718.48, 426,584,020.86 and 79,890,850.68 is: 119,840,754.95
Step by Step Solution
- Step 1: Write the proportion equation
284,378,718.48 : 426,584,020.86 = 79,890,850.68 : x - Step 2: Convert to fraction form
284,378,718.48/426,584,020.86 = 79,890,850.68/x - Step 3: Cross multiply
284,378,718.48x = 426,584,020.86 × 79,890,850.68 - Step 4: Simplify right side
284,378,718.48x = 34,080,160,313,000,268 - Step 5: Solve for x
x = 34,080,160,313,000,268/284,378,718.48 - Step 6: Final answer
x = 119,840,754.95
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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.