Finding the Fourth Proportional to 284,396,570.91, 426,220,298.67 and 120,431,442.06
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Solution
The fourth proportional to 284,396,570.91, 426,220,298.67 and 120,431,442.06 is: 180,488,551.74
Step by Step Solution
- Step 1: Write the proportion equation
284,396,570.91 : 426,220,298.67 = 120,431,442.06 : x - Step 2: Convert to fraction form
284,396,570.91/426,220,298.67 = 120,431,442.06/x - Step 3: Cross multiply
284,396,570.91x = 426,220,298.67 × 120,431,442.06 - Step 4: Simplify right side
284,396,570.91x = 51,330,325,204,072,000 - Step 5: Solve for x
x = 51,330,325,204,072,000/284,396,570.91 - Step 6: Final answer
x = 180,488,551.74
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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.