Finding the Fourth Proportional to 451,611,876.87, 677,337,006.87 and 287,361,730.08
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Solution
The fourth proportional to 451,611,876.87, 677,337,006.87 and 287,361,730.08 is: 430,991,176.52
Step by Step Solution
- Step 1: Write the proportion equation
451,611,876.87 : 677,337,006.87 = 287,361,730.08 : x - Step 2: Convert to fraction form
451,611,876.87/677,337,006.87 = 287,361,730.08/x - Step 3: Cross multiply
451,611,876.87x = 677,337,006.87 × 287,361,730.08 - Step 4: Simplify right side
451,611,876.87x = 194,640,734,141,372,032 - Step 5: Solve for x
x = 194,640,734,141,372,032/451,611,876.87 - Step 6: Final answer
x = 430,991,176.52
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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.