Finding the Fourth Proportional to 1,622,305,922.66, 2,433,432,291.42 and 516,895,763.06
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Solution
The fourth proportional to 1,622,305,922.66, 2,433,432,291.42 and 516,895,763.06 is: 775,335,171.71
Step by Step Solution
- Step 1: Write the proportion equation
1,622,305,922.66 : 2,433,432,291.42 = 516,895,763.06 : x - Step 2: Convert to fraction form
1,622,305,922.66/2,433,432,291.42 = 516,895,763.06/x - Step 3: Cross multiply
1,622,305,922.66x = 2,433,432,291.42 × 516,895,763.06 - Step 4: Simplify right side
1,622,305,922.66x = 1,257,830,841,116,218,112 - Step 5: Solve for x
x = 1,257,830,841,116,218,112/1,622,305,922.66 - Step 6: Final answer
x = 775,335,171.71
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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.