Finding the Fourth Proportional to 4,809,456,279.20, 7,214,184,418.80 and 2,874,538,647.20
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Solution
The fourth proportional to 4,809,456,279.20, 7,214,184,418.80 and 2,874,538,647.20 is: 4,311,807,970.80
Step by Step Solution
- Step 1: Write the proportion equation
4,809,456,279.20 : 7,214,184,418.80 = 2,874,538,647.20 : x - Step 2: Convert to fraction form
4,809,456,279.20/7,214,184,418.80 = 2,874,538,647.20/x - Step 3: Cross multiply
4,809,456,279.20x = 7,214,184,418.80 × 2,874,538,647.20 - Step 4: Simplify right side
4,809,456,279.20x = 20,737,451,919,868,669,952 - Step 5: Solve for x
x = 20,737,451,919,868,669,952/4,809,456,279.20 - Step 6: Final answer
x = 4,311,807,970.80
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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.