Finding the Fourth Proportional to 729,199,318.34, 1,093,800,658.97 and 420,325,643.06
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Solution
The fourth proportional to 729,199,318.34, 1,093,800,658.97 and 420,325,643.06 is: 630,489,433.81
Step by Step Solution
- Step 1: Write the proportion equation
729,199,318.34 : 1,093,800,658.97 = 420,325,643.06 : x - Step 2: Convert to fraction form
729,199,318.34/1,093,800,658.97 = 420,325,643.06/x - Step 3: Cross multiply
729,199,318.34x = 1,093,800,658.97 × 420,325,643.06 - Step 4: Simplify right side
729,199,318.34x = 459,752,465,353,446,336 - Step 5: Solve for x
x = 459,752,465,353,446,336/729,199,318.34 - Step 6: Final answer
x = 630,489,433.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.