Finding the Fourth Proportional to 1,542,509,166.11, 2,129,314,336.20 and 1,041,396,756.62
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Solution
The fourth proportional to 1,542,509,166.11, 2,129,314,336.20 and 1,041,396,756.62 is: 1,437,567,498.63
Step by Step Solution
- Step 1: Write the proportion equation
1,542,509,166.11 : 2,129,314,336.20 = 1,041,396,756.62 : x - Step 2: Convert to fraction form
1,542,509,166.11/2,129,314,336.20 = 1,041,396,756.62/x - Step 3: Cross multiply
1,542,509,166.11x = 2,129,314,336.20 × 1,041,396,756.62 - Step 4: Simplify right side
1,542,509,166.11x = 2,217,461,043,532,501,760 - Step 5: Solve for x
x = 2,217,461,043,532,501,760/1,542,509,166.11 - Step 6: Final answer
x = 1,437,567,498.63
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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.