Finding the Fourth Proportional to 2,645,998,697.99, 3,969,595,993.14 and 875,365,263.77
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Solution
The fourth proportional to 2,645,998,697.99, 3,969,595,993.14 and 875,365,263.77 is: 1,313,245,711.80
Step by Step Solution
- Step 1: Write the proportion equation
2,645,998,697.99 : 3,969,595,993.14 = 875,365,263.77 : x - Step 2: Convert to fraction form
2,645,998,697.99/3,969,595,993.14 = 875,365,263.77/x - Step 3: Cross multiply
2,645,998,697.99x = 3,969,595,993.14 × 875,365,263.77 - Step 4: Simplify right side
2,645,998,697.99x = 3,474,846,443,575,482,880 - Step 5: Solve for x
x = 3,474,846,443,575,482,880/2,645,998,697.99 - Step 6: Final answer
x = 1,313,245,711.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.