Finding the Fourth Proportional to 1,766,127,844.02, 2,437,146,608.34 and 973,129,446.14
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Solution
The fourth proportional to 1,766,127,844.02, 2,437,146,608.34 and 973,129,446.14 is: 1,342,858,127.27
Step by Step Solution
- Step 1: Write the proportion equation
1,766,127,844.02 : 2,437,146,608.34 = 973,129,446.14 : x - Step 2: Convert to fraction form
1,766,127,844.02/2,437,146,608.34 = 973,129,446.14/x - Step 3: Cross multiply
1,766,127,844.02x = 2,437,146,608.34 × 973,129,446.14 - Step 4: Simplify right side
1,766,127,844.02x = 2,371,659,129,135,883,776 - Step 5: Solve for x
x = 2,371,659,129,135,883,776/1,766,127,844.02 - Step 6: Final answer
x = 1,342,858,127.27
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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.