Finding the Fourth Proportional to 4,279,628,662.55, 6,420,972,122.35 and 2,602,326,694.44
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Solution
The fourth proportional to 4,279,628,662.55, 6,420,972,122.35 and 2,602,326,694.44 is: 3,904,419,863.45
Step by Step Solution
- Step 1: Write the proportion equation
4,279,628,662.55 : 6,420,972,122.35 = 2,602,326,694.44 : x - Step 2: Convert to fraction form
4,279,628,662.55/6,420,972,122.35 = 2,602,326,694.44/x - Step 3: Cross multiply
4,279,628,662.55x = 6,420,972,122.35 × 2,602,326,694.44 - Step 4: Simplify right side
4,279,628,662.55x = 16,709,467,158,246,467,584 - Step 5: Solve for x
x = 16,709,467,158,246,467,584/4,279,628,662.55 - Step 6: Final answer
x = 3,904,419,863.45
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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.