Finding the Fourth Proportional to 1,072,664,650.22, 1,608,128,691.82 and 335,355,032.09
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Solution
The fourth proportional to 1,072,664,650.22, 1,608,128,691.82 and 335,355,032.09 is: 502,761,090.28
Step by Step Solution
- Step 1: Write the proportion equation
1,072,664,650.22 : 1,608,128,691.82 = 335,355,032.09 : x - Step 2: Convert to fraction form
1,072,664,650.22/1,608,128,691.82 = 335,355,032.09/x - Step 3: Cross multiply
1,072,664,650.22x = 1,608,128,691.82 × 335,355,032.09 - Step 4: Simplify right side
1,072,664,650.22x = 539,294,049,050,145,728 - Step 5: Solve for x
x = 539,294,049,050,145,728/1,072,664,650.22 - Step 6: Final answer
x = 502,761,090.28
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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.