Finding the Fourth Proportional to 4,477,259,319.60, 6,715,888,979.40 and 2,146,996,822.80
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Solution
The fourth proportional to 4,477,259,319.60, 6,715,888,979.40 and 2,146,996,822.80 is: 3,220,495,234.20
Step by Step Solution
- Step 1: Write the proportion equation
4,477,259,319.60 : 6,715,888,979.40 = 2,146,996,822.80 : x - Step 2: Convert to fraction form
4,477,259,319.60/6,715,888,979.40 = 2,146,996,822.80/x - Step 3: Cross multiply
4,477,259,319.60x = 6,715,888,979.40 × 2,146,996,822.80 - Step 4: Simplify right side
4,477,259,319.60x = 14,418,992,301,049,333,760 - Step 5: Solve for x
x = 14,418,992,301,049,333,760/4,477,259,319.60 - Step 6: Final answer
x = 3,220,495,234.20
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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.