Finding the Fourth Proportional to 3,542,706,601.92, 5,314,205,134.26 and 1,215,244,194.12
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Solution
The fourth proportional to 3,542,706,601.92, 5,314,205,134.26 and 1,215,244,194.12 is: 1,822,916,109.47
Step by Step Solution
- Step 1: Write the proportion equation
3,542,706,601.92 : 5,314,205,134.26 = 1,215,244,194.12 : x - Step 2: Convert to fraction form
3,542,706,601.92/5,314,205,134.26 = 1,215,244,194.12/x - Step 3: Cross multiply
3,542,706,601.92x = 5,314,205,134.26 × 1,215,244,194.12 - Step 4: Simplify right side
3,542,706,601.92x = 6,458,056,935,772,160,000 - Step 5: Solve for x
x = 6,458,056,935,772,160,000/3,542,706,601.92 - Step 6: Final answer
x = 1,822,916,109.47
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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.