Finding the Fourth Proportional to 455,862,620.08, 629,020,847.10 and 257,551,757.26
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Solution
The fourth proportional to 455,862,620.08, 629,020,847.10 and 257,551,757.26 is: 355,382,120.37
Step by Step Solution
- Step 1: Write the proportion equation
455,862,620.08 : 629,020,847.10 = 257,551,757.26 : x - Step 2: Convert to fraction form
455,862,620.08/629,020,847.10 = 257,551,757.26/x - Step 3: Cross multiply
455,862,620.08x = 629,020,847.10 × 257,551,757.26 - Step 4: Simplify right side
455,862,620.08x = 162,005,424,523,172,032 - Step 5: Solve for x
x = 162,005,424,523,172,032/455,862,620.08 - Step 6: Final answer
x = 355,382,120.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.