Finding the Fourth Proportional to 3,590,428,908.94, 5,385,091,177.34 and 1,197,422,330.75
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Solution
The fourth proportional to 3,590,428,908.94, 5,385,091,177.34 and 1,197,422,330.75 is: 1,795,949,339.88
Step by Step Solution
- Step 1: Write the proportion equation
3,590,428,908.94 : 5,385,091,177.34 = 1,197,422,330.75 : x - Step 2: Convert to fraction form
3,590,428,908.94/5,385,091,177.34 = 1,197,422,330.75/x - Step 3: Cross multiply
3,590,428,908.94x = 5,385,091,177.34 × 1,197,422,330.75 - Step 4: Simplify right side
3,590,428,908.94x = 6,448,228,428,900,568,064 - Step 5: Solve for x
x = 6,448,228,428,900,568,064/3,590,428,908.94 - Step 6: Final answer
x = 1,795,949,339.88
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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.