Finding the Fourth Proportional to 2,645,998,880.99, 3,969,596,268.35 and 875,365,447.37
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Solution
The fourth proportional to 2,645,998,880.99, 3,969,596,268.35 and 875,365,447.37 is: 1,313,245,987.48
Step by Step Solution
- Step 1: Write the proportion equation
2,645,998,880.99 : 3,969,596,268.35 = 875,365,447.37 : x - Step 2: Convert to fraction form
2,645,998,880.99/3,969,596,268.35 = 875,365,447.37/x - Step 3: Cross multiply
2,645,998,880.99x = 3,969,596,268.35 × 875,365,447.37 - Step 4: Simplify right side
2,645,998,880.99x = 3,474,847,413,334,504,960 - Step 5: Solve for x
x = 3,474,847,413,334,504,960/2,645,998,880.99 - Step 6: Final answer
x = 1,313,245,987.48
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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.