Finding the Fourth Proportional to 2,321,159,021.84, 3,203,185,806.43 and 1,263,884,462.50
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Solution
The fourth proportional to 2,321,159,021.84, 3,203,185,806.43 and 1,263,884,462.50 is: 1,744,153,129.17
Step by Step Solution
- Step 1: Write the proportion equation
2,321,159,021.84 : 3,203,185,806.43 = 1,263,884,462.50 : x - Step 2: Convert to fraction form
2,321,159,021.84/3,203,185,806.43 = 1,263,884,462.50/x - Step 3: Cross multiply
2,321,159,021.84x = 3,203,185,806.43 × 1,263,884,462.50 - Step 4: Simplify right side
2,321,159,021.84x = 4,048,456,771,247,409,152 - Step 5: Solve for x
x = 4,048,456,771,247,409,152/2,321,159,021.84 - Step 6: Final answer
x = 1,744,153,129.17
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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.