Finding the Fourth Proportional to 413,753,447.62, 620,781,507.90 and 192,530,295.12
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Solution
The fourth proportional to 413,753,447.62, 620,781,507.90 and 192,530,295.12 is: 288,865,863.50
Step by Step Solution
- Step 1: Write the proportion equation
413,753,447.62 : 620,781,507.90 = 192,530,295.12 : x - Step 2: Convert to fraction form
413,753,447.62/620,781,507.90 = 192,530,295.12/x - Step 3: Cross multiply
413,753,447.62x = 620,781,507.90 × 192,530,295.12 - Step 4: Simplify right side
413,753,447.62x = 119,519,246,922,541,056 - Step 5: Solve for x
x = 119,519,246,922,541,056/413,753,447.62 - Step 6: Final answer
x = 288,865,863.50
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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.