Finding the Fourth Proportional to 1,093,135,890.06, 1,508,490,008.37 and 623,388,399.53
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Solution
The fourth proportional to 1,093,135,890.06, 1,508,490,008.37 and 623,388,399.53 is: 860,254,594.66
Step by Step Solution
- Step 1: Write the proportion equation
1,093,135,890.06 : 1,508,490,008.37 = 623,388,399.53 : x - Step 2: Convert to fraction form
1,093,135,890.06/1,508,490,008.37 = 623,388,399.53/x - Step 3: Cross multiply
1,093,135,890.06x = 1,508,490,008.37 × 623,388,399.53 - Step 4: Simplify right side
1,093,135,890.06x = 940,375,172,017,228,032 - Step 5: Solve for x
x = 940,375,172,017,228,032/1,093,135,890.06 - Step 6: Final answer
x = 860,254,594.66
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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.