Finding the Fourth Proportional to 3,551,054,889.80, 5,326,582,334.70 and 966,125,865.80
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Solution
The fourth proportional to 3,551,054,889.80, 5,326,582,334.70 and 966,125,865.80 is: 1,449,188,798.70
Step by Step Solution
- Step 1: Write the proportion equation
3,551,054,889.80 : 5,326,582,334.70 = 966,125,865.80 : x - Step 2: Convert to fraction form
3,551,054,889.80/5,326,582,334.70 = 966,125,865.80/x - Step 3: Cross multiply
3,551,054,889.80x = 5,326,582,334.70 × 966,125,865.80 - Step 4: Simplify right side
3,551,054,889.80x = 5,146,148,969,867,022,336 - Step 5: Solve for x
x = 5,146,148,969,867,022,336/3,551,054,889.80 - Step 6: Final answer
x = 1,449,188,798.70
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Double scale
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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.