Finding the Fourth Proportional to 7,081,727,261.44, 10,621,862,947.12 and 2,359,539,146.72
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Solution
The fourth proportional to 7,081,727,261.44, 10,621,862,947.12 and 2,359,539,146.72 is: 3,539,066,178.29
Step by Step Solution
- Step 1: Write the proportion equation
7,081,727,261.44 : 10,621,862,947.12 = 2,359,539,146.72 : x - Step 2: Convert to fraction form
7,081,727,261.44/10,621,862,947.12 = 2,359,539,146.72/x - Step 3: Cross multiply
7,081,727,261.44x = 10,621,862,947.12 × 2,359,539,146.72 - Step 4: Simplify right side
7,081,727,261.44x = 25,062,701,434,824,310,784 - Step 5: Solve for x
x = 25,062,701,434,824,310,784/7,081,727,261.44 - Step 6: Final answer
x = 3,539,066,178.29
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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.