Finding the Fourth Proportional to 4,252,415,999.60, 6,378,623,999.40 and 2,611,319,193.20
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Solution
The fourth proportional to 4,252,415,999.60, 6,378,623,999.40 and 2,611,319,193.20 is: 3,916,978,789.80
Step by Step Solution
- Step 1: Write the proportion equation
4,252,415,999.60 : 6,378,623,999.40 = 2,611,319,193.20 : x - Step 2: Convert to fraction form
4,252,415,999.60/6,378,623,999.40 = 2,611,319,193.20/x - Step 3: Cross multiply
4,252,415,999.60x = 6,378,623,999.40 × 2,611,319,193.20 - Step 4: Simplify right side
4,252,415,999.60x = 16,656,623,275,839,363,072 - Step 5: Solve for x
x = 16,656,623,275,839,363,072/4,252,415,999.60 - Step 6: Final answer
x = 3,916,978,789.80
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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.