Finding the Fourth Proportional to 1,512,032,121.30, 2,268,048,181.95 and 476,997,629.70
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Solution
The fourth proportional to 1,512,032,121.30, 2,268,048,181.95 and 476,997,629.70 is: 715,496,444.55
Step by Step Solution
- Step 1: Write the proportion equation
1,512,032,121.30 : 2,268,048,181.95 = 476,997,629.70 : x - Step 2: Convert to fraction form
1,512,032,121.30/2,268,048,181.95 = 476,997,629.70/x - Step 3: Cross multiply
1,512,032,121.30x = 2,268,048,181.95 × 476,997,629.70 - Step 4: Simplify right side
1,512,032,121.30x = 1,081,853,606,835,544,192 - Step 5: Solve for x
x = 1,081,853,606,835,544,192/1,512,032,121.30 - Step 6: Final answer
x = 715,496,444.55
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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.