Finding the Fourth Proportional to 2,420,991,392.82, 3,340,864,896.19 and 1,349,237,692.68
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Solution
The fourth proportional to 2,420,991,392.82, 3,340,864,896.19 and 1,349,237,692.68 is: 1,861,890,487.29
Step by Step Solution
- Step 1: Write the proportion equation
2,420,991,392.82 : 3,340,864,896.19 = 1,349,237,692.68 : x - Step 2: Convert to fraction form
2,420,991,392.82/3,340,864,896.19 = 1,349,237,692.68/x - Step 3: Cross multiply
2,420,991,392.82x = 3,340,864,896.19 × 1,349,237,692.68 - Step 4: Simplify right side
2,420,991,392.82x = 4,507,620,844,091,003,392 - Step 5: Solve for x
x = 4,507,620,844,091,003,392/2,420,991,392.82 - Step 6: Final answer
x = 1,861,890,487.29
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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.