Finding the Fourth Proportional to 2,235,557,851.20, 3,353,336,776.80 and 2,220,252,350.40
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Solution
The fourth proportional to 2,235,557,851.20, 3,353,336,776.80 and 2,220,252,350.40 is: 3,330,378,525.60
Step by Step Solution
- Step 1: Write the proportion equation
2,235,557,851.20 : 3,353,336,776.80 = 2,220,252,350.40 : x - Step 2: Convert to fraction form
2,235,557,851.20/3,353,336,776.80 = 2,220,252,350.40/x - Step 3: Cross multiply
2,235,557,851.20x = 3,353,336,776.80 × 2,220,252,350.40 - Step 4: Simplify right side
2,235,557,851.20x = 7,445,253,860,372,961,280 - Step 5: Solve for x
x = 7,445,253,860,372,961,280/2,235,557,851.20 - Step 6: Final answer
x = 3,330,378,525.60
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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.