Finding the Fourth Proportional to 1,376,135,991.44, 2,063,359,179.45 and 534,796,352.30
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Solution
The fourth proportional to 1,376,135,991.44, 2,063,359,179.45 and 534,796,352.30 is: 801,866,217.81
Step by Step Solution
- Step 1: Write the proportion equation
1,376,135,991.44 : 2,063,359,179.45 = 534,796,352.30 : x - Step 2: Convert to fraction form
1,376,135,991.44/2,063,359,179.45 = 534,796,352.30/x - Step 3: Cross multiply
1,376,135,991.44x = 2,063,359,179.45 × 534,796,352.30 - Step 4: Simplify right side
1,376,135,991.44x = 1,103,476,962,644,264,448 - Step 5: Solve for x
x = 1,103,476,962,644,264,448/1,376,135,991.44 - Step 6: Final answer
x = 801,866,217.81
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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.