Finding the Fourth Proportional to 4,477,259,290.60, 6,715,888,935.90 and 2,146,996,793.80
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Solution
The fourth proportional to 4,477,259,290.60, 6,715,888,935.90 and 2,146,996,793.80 is: 3,220,495,190.70
Step by Step Solution
- Step 1: Write the proportion equation
4,477,259,290.60 : 6,715,888,935.90 = 2,146,996,793.80 : x - Step 2: Convert to fraction form
4,477,259,290.60/6,715,888,935.90 = 2,146,996,793.80/x - Step 3: Cross multiply
4,477,259,290.60x = 6,715,888,935.90 × 2,146,996,793.80 - Step 4: Simplify right side
4,477,259,290.60x = 14,418,992,012,894,191,616 - Step 5: Solve for x
x = 14,418,992,012,894,191,616/4,477,259,290.60 - Step 6: Final answer
x = 3,220,495,190.70
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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.