Finding the Fourth Proportional to 2,092,135,855.60, 3,138,203,783.40 and 1,173,805,807.60
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Solution
The fourth proportional to 2,092,135,855.60, 3,138,203,783.40 and 1,173,805,807.60 is: 1,760,708,711.40
Step by Step Solution
- Step 1: Write the proportion equation
2,092,135,855.60 : 3,138,203,783.40 = 1,173,805,807.60 : x - Step 2: Convert to fraction form
2,092,135,855.60/3,138,203,783.40 = 1,173,805,807.60/x - Step 3: Cross multiply
2,092,135,855.60x = 3,138,203,783.40 × 1,173,805,807.60 - Step 4: Simplify right side
2,092,135,855.60x = 3,683,641,826,387,212,288 - Step 5: Solve for x
x = 3,683,641,826,387,212,288/2,092,135,855.60 - Step 6: Final answer
x = 1,760,708,711.40
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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.