Finding the Fourth Proportional to 2,486,410,107.55, 3,431,228,493.27 and 1,357,379,870.76
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Solution
The fourth proportional to 2,486,410,107.55, 3,431,228,493.27 and 1,357,379,870.76 is: 1,873,174,692.54
Step by Step Solution
- Step 1: Write the proportion equation
2,486,410,107.55 : 3,431,228,493.27 = 1,357,379,870.76 : x - Step 2: Convert to fraction form
2,486,410,107.55/3,431,228,493.27 = 1,357,379,870.76/x - Step 3: Cross multiply
2,486,410,107.55x = 3,431,228,493.27 × 1,357,379,870.76 - Step 4: Simplify right side
2,486,410,107.55x = 4,657,480,488,742,861,824 - Step 5: Solve for x
x = 4,657,480,488,742,861,824/2,486,410,107.55 - Step 6: Final answer
x = 1,873,174,692.54
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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.