Finding the Fourth Proportional to 797,183,427.20, 1,195,775,140.80 and 251,924,961.20
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Solution
The fourth proportional to 797,183,427.20, 1,195,775,140.80 and 251,924,961.20 is: 377,887,441.80
Step by Step Solution
- Step 1: Write the proportion equation
797,183,427.20 : 1,195,775,140.80 = 251,924,961.20 : x - Step 2: Convert to fraction form
797,183,427.20/1,195,775,140.80 = 251,924,961.20/x - Step 3: Cross multiply
797,183,427.20x = 1,195,775,140.80 × 251,924,961.20 - Step 4: Simplify right side
797,183,427.20x = 301,245,605,949,964,480 - Step 5: Solve for x
x = 301,245,605,949,964,480/797,183,427.20 - Step 6: Final answer
x = 377,887,441.80
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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.