Finding the Fourth Proportional to 2,607,362,141.10, 3,911,043,211.65 and 1,229,867,069.10
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Solution
The fourth proportional to 2,607,362,141.10, 3,911,043,211.65 and 1,229,867,069.10 is: 1,844,800,603.65
Step by Step Solution
- Step 1: Write the proportion equation
2,607,362,141.10 : 3,911,043,211.65 = 1,229,867,069.10 : x - Step 2: Convert to fraction form
2,607,362,141.10/3,911,043,211.65 = 1,229,867,069.10/x - Step 3: Cross multiply
2,607,362,141.10x = 3,911,043,211.65 × 1,229,867,069.10 - Step 4: Simplify right side
2,607,362,141.10x = 4,810,063,251,835,436,032 - Step 5: Solve for x
x = 4,810,063,251,835,436,032/2,607,362,141.10 - Step 6: Final answer
x = 1,844,800,603.65
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Double scale
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Similar ratio
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1.5x scale
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.