Finding the Fourth Proportional to 2,135,295,410.40, 3,202,943,115.60 and 1,314,747,007.20
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Solution
The fourth proportional to 2,135,295,410.40, 3,202,943,115.60 and 1,314,747,007.20 is: 1,972,120,510.80
Step by Step Solution
- Step 1: Write the proportion equation
2,135,295,410.40 : 3,202,943,115.60 = 1,314,747,007.20 : x - Step 2: Convert to fraction form
2,135,295,410.40/3,202,943,115.60 = 1,314,747,007.20/x - Step 3: Cross multiply
2,135,295,410.40x = 3,202,943,115.60 × 1,314,747,007.20 - Step 4: Simplify right side
2,135,295,410.40x = 4,211,059,875,466,943,488 - Step 5: Solve for x
x = 4,211,059,875,466,943,488/2,135,295,410.40 - Step 6: Final answer
x = 1,972,120,510.80
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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.