Finding the Fourth Proportional to 1,459,043,201.90, 2,188,699,343.73 and 476,474,890.82
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Solution
The fourth proportional to 1,459,043,201.90, 2,188,699,343.73 and 476,474,890.82 is: 714,756,272.80
Step by Step Solution
- Step 1: Write the proportion equation
1,459,043,201.90 : 2,188,699,343.73 = 476,474,890.82 : x - Step 2: Convert to fraction form
1,459,043,201.90/2,188,699,343.73 = 476,474,890.82/x - Step 3: Cross multiply
1,459,043,201.90x = 2,188,699,343.73 × 476,474,890.82 - Step 4: Simplify right side
1,459,043,201.90x = 1,042,860,280,841,557,376 - Step 5: Solve for x
x = 1,042,860,280,841,557,376/1,459,043,201.90 - Step 6: Final answer
x = 714,756,272.80
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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.