Finding the Fourth Proportional to 2,557,558,464.96, 3,529,393,426.53 and 1,428,544,293.60
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Solution
The fourth proportional to 2,557,558,464.96, 3,529,393,426.53 and 1,428,544,293.60 is: 1,971,370,316.03
Step by Step Solution
- Step 1: Write the proportion equation
2,557,558,464.96 : 3,529,393,426.53 = 1,428,544,293.60 : x - Step 2: Convert to fraction form
2,557,558,464.96/3,529,393,426.53 = 1,428,544,293.60/x - Step 3: Cross multiply
2,557,558,464.96x = 3,529,393,426.53 × 1,428,544,293.60 - Step 4: Simplify right side
2,557,558,464.96x = 5,041,894,839,338,782,720 - Step 5: Solve for x
x = 5,041,894,839,338,782,720/2,557,558,464.96 - Step 6: Final answer
x = 1,971,370,316.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.